We’ve all been there: that sinking feeling when you swing open the fridge door only to hear the dreaded splat as a bottle of salad dressing or a carton of juice tumbles out, creating a sticky, slippery mess on the floor. Beyond the immediate frustration and cleanup, these spills waste precious food, create安全隐患 near electrical components, and turn a simple trip to the fridge into a minor hazard. The culprit? Often, it’s the overlooked real estate inside your refrigerator door—the very spot designed for convenient access becomes a precarious perch for bottles and jars, especially when shelves are crowded or the door is yanked open too quickly. It’s a surprisingly common headache in modern kitchens.
Enter the humble refrigerator door caddy—a simple yet transformative organizer that tackles this problem head-on. Far more than just another kitchen gadget, a well-chosen caddy transforms that chaotic door compartment into a stable, efficient storage zone. By securely holding bottles, condiments, and small containers upright, it prevents costly spills, maximizes usable space, and streamlines your daily routine. Choosing the right one isn’t about picking the shiniest option; it’s about understanding your specific fridge layout, storage needs, and the subtle features that make a caddy truly effective for your kitchen. Let’s dive into what makes these organizers indispensable and how to select the perfect fit.
Top 10 Refrigerator Door Caddies
Detailed Product Reviews
1. [2 PACK] UPGRADED WPW10321304 W10321304 Refrigerator Door Shelf Compatible with Whirlpool Refrigerator Door Shelf PS11752778 Whirlpool Fridge Shelf Replacement WRS325FDAM04 WRS322FDAM04 WRS325FDAM02
![[2 PACK] UPGRADED WPW10321304 W10321304 Refrigerator Door Shelf Compatible with Whirlpool Refrigerator Door Shelf PS11752778 Whirlpool Fridge Shelf Replacement WRS325FDAM04 WRS322FDAM04 WRS325FDAM02](https://m.media-amazon.com/images/I/41pAk5-IttL._SL160_.jpg)
Overview: This 2-pack replacement shelf targets Whirlpool, Kenmore, and affiliated refrigerator models, specifically addressing worn or broken door bins. Crafted for durability, it serves as a direct OEM-compatible solution for models like WRS325FDAM04 and WRS322FDAM04.
What Makes It Stand Out: Extensive compatibility is its hallmark, supporting over 20 part numbers (e.g., PS11752778, AP6019471) and dozens of models across Whirlpool, Maytag, and KitchenAid. The upgraded design ensures a precise 15" x 6.7" x 3.5" fit, eliminating wobble, while its high-bearing-capacity plastic withstands heavy bottles and jars.
Value for Money: Priced competitively for a 2-pack, it outperforms generic alternatives in longevity. Given OEM part costs often exceed $30 per shelf, this bundle offers significant savings while guaranteeing reliability—ideal for households needing multiple replacements.
Strengths and Weaknesses:
Strengths: Exceptional model coverage; robust, food-safe material; tool-free snap-in installation; 2-pack value.
Weaknesses: No explicit warranty mentioned; requires meticulous model verification to avoid fit issues.
Bottom Line: A dependable, cost-effective solution for compatible Whirlpool-family refrigerators. Essential for maintaining organization after a broken bin, provided you confirm your model number matches the extensive list.
2. UPGRADED W10321304 WPW10321304 Refrigerator Door Shelf Bin Compatible with Whirlpool Refrigerator Door Shelf Parts WRS325FDAM04 PS11752778 AP6019471 2179574 2179575 Whirlpool Fridge Door Shelves
Overview: A single-unit replacement shelf designed exclusively for Whirlpool-brand refrigerators, including models like WRS325FDAM04. It addresses cracked or damaged door bins using food-grade materials for seamless integration.
What Makes It Stand Out: Highlights precise OEM-equivalent engineering with identical dimensions (15" x 6.7" x 3.5") and reinforced corners for superior weight tolerance. Its standout feature is the exhaustive cross-reference list—covering 23 part numbers like PS11752778—to prevent buyer confusion across Whirlpool, Kenmore, and Maytag lines.
Value for Money: Justifies its modest premium over no-name bins through guaranteed fit and durability. At roughly half the cost of an OEM replacement part, it’s economical for single-bin fixes without sacrificing reliability.
Strengths and Weaknesses:
Strengths: Rigorous compatibility validation; easy DIY installation; sturdy food-safe plastic; prevents fridge clutter.
Weaknesses: Sold individually (less value for multi-bin needs); no warranty details in listing; minor fit variations possible in older units.
Bottom Line: A trustworthy, single-bin fix for Whirlpool owners. Prioritize checking your model against the detailed compatibility chart, but expect OEM-level performance if matched correctly.
3. MdakeGo 3 Pack Refrigerator Organizer Box, Plastic Refrigerator Side Door Storage Containers, Space-Saving Organizer Bins for Fridge, Refrige Drawers for Fruit and Vegetable (Clear,S*3)
Overview: A trio of compact, semi-transparent storage bins (4.6" x 3.8" x 4.9") engineered to maximize fridge door space. Ideal for organizing small items like snacks, spices, or produce in tight refrigerator environments.
What Makes It Stand Out: Its space-saving vertical design uniquely utilizes narrow door gaps often wasted on single bottles. The semi-transparent BPA-free plastic allows instant content visibility, while the rounded edges prevent snagging during removal—a subtle but practical upgrade over angular competitors.
Value for Money: Priced affordably for a 3-pack, it outperforms pricier sets with similar dimensions. The durable PP plastic resists odors and cracks, offering kitchen organization without recurring costs—especially valuable for dorms or small kitchens.
Strengths and Weaknesses:
Strengths: Optimizes dead space; BPA-free and easy to clean; versatile for pantry/cabinets too; clear labeling-friendly.
Weaknesses: Shallow depth limits bulky items; no non-slip base; may not fit all fridge models snugly.
Bottom Line: An excellent budget-friendly upgrade for fridge organization. Best for singles or couples needing efficient small-item storage—just verify your door spacing before buying.
4. Poeland Refrigerator Organizer Box, Fridge Side Door Storage Containers Plastic Translucent Pack of 3
Overview: This 3-pack of translucent fridge bins (4.6" x 3.8" x 4.9") focuses on universal kitchen utility, targeting disorganized refrigerators with a no-frills, functional design.
What Makes It Stand Out: Emphasizes material safety with explicitly labeled BPA-free PP plastic, appealing to health-conscious users. Its true versatility shines beyond fridges—it reliably stores dry goods in pantries or toiletries in cabinets, broadening its utility compared to niche fridge-only sets.
Value for Money: Matches MdakeGo’s pricing but with slightly less ergonomic design. Still, the shatter-resistant build justifies the cost for households seeking multipurpose containers that endure frequent washing and stacking.
Strengths and Weaknesses:
Strengths: Highly versatile for multiple storage zones; food-safe and durable; simple, stackable design.
Weaknesses: Lacks MdakeGo’s semi-transparent clarity for quick identification; minimal grip texture; no model-specific fit assurances.
Bottom Line: A solid, economical choice for general kitchen organization. Choose this if you prioritize multi-room use over fridge-specific optimizations, but expect basic functionality.
5. 240323002 Refrigerator Door Bin Shelf Compatible with Frigidaire or Electrolux, Bottom 2 Shelves on Refrigerator Side, Single Unit, Clear, Replaces PS429725, AP2115742, AH429725，
Overview: A single replacement bin specifically for the bottom two slots of Frigidaire/Electrolux side-by-side refrigerator doors (e.g., models starting with “PLHS”). Its 15.87" length ensures exact fit where generic bins fail.
What Makes It Stand Out: Critical model-specific warnings prevent costly errors—explicitly stating incompatibility with “FFSS”/“LFSS” models or top freezer-door slots. The 12-hour support guarantee and OEM-standard durability (replacing PS429725) build trust in a market rife with misfits.
Value for Money: Priced fairly for a niche part, it eliminates guesswork with exploded-diagram installation guidance. Given dealer bins cost $40+, this is a no-brainer for compatible models, especially with the included warranty.
Strengths and Weaknesses:
Strengths: Unmatched model precision; tool-free snap installation; one-year warranty; responsive support.
Weaknesses: Zero flexibility—won’t fit non-listed models; size constraints exclude larger items; single-unit purchase.
Bottom Line: The definitive solution for compatible Frigidaire bins. Mandatory for owners of qualifying models, but triple-check your fridge’s specs first—this isn’t a universal fix.
6. 4 Pack Refrigerator Door Organizer Fridge Hanging Mesh Bag Classification Mesh Pocket Organization Accessories Containers for Small Objects Storage Home Kitchen (White+Blue)
Overview: This 4-pack of hanging mesh organizers offers a space-saving solution for small fridge items, designed to hang on standard refrigerator door shelves without consuming interior space. Measuring 8.66x5.12 inches each, they utilize fine mesh for ventilation and secure storage.
What Makes It Stand Out: The dual-color (white/blue) mesh bags excel with their versatile hanging design, healthy PP hooks, and fine-mesh construction that prevents small items from falling while allowing airflow. Their multi-scene usability—suitable for utensils, snacks, or bathroom/desk organization—adds significant flexibility beyond typical fridge organizers.
Value for Money: Priced affordably for a 4-pack, this set delivers exceptional utility by maximizing unused door space. It outperforms single-bag alternatives and rivals pricier rigid containers, especially considering its dual-room functionality and simple buckle-free installation.
Strengths and Weaknesses: Strengths: Lightweight yet durable mesh; effortless installation; prevents clutter; ventilated for freshness; ideal for tiny items. Weaknesses: Limited capacity per bag (unsuitable for large bottles); mesh may snag delicate items; color options could be more distinct.
Bottom Line: An economical, highly functional upgrade for fridge organization—especially valuable for storing small accessories. Recommended for those seeking affordable, adaptable storage that leverages dead space without complex setup.
7. [2 PACK]UPGRADED WPW10710203 Refrigerator Door Bin Compatible With Kenmore Whirlpool Refrigerator Door Shelf W10710203 W10451871 Whirlpool Fridge Door Shelf WRS571CIHZ01 WRS588FIHZ00 WRS571CIDM01Shelf
![[2 PACK]UPGRADED WPW10710203 Refrigerator Door Bin Compatible With Kenmore Whirlpool Refrigerator Door Shelf W10710203 W10451871 Whirlpool Fridge Door Shelf WRS571CIHZ01 WRS588FIHZ00 WRS571CIDM01Shelf](https://m.media-amazon.com/images/I/41jKpkbmJaL._SL160_.jpg)
Overview: This 2-pack replacement bin is engineered exclusively for Whirlpool, Kenmore, and Maytag right-side refrigerator doors, addressing cracked or worn-out bins with an OEM-standard upgrade. Measuring 16.3x7.1x3.54 inches, it targets specific model compatibility.
What Makes It Stand Out: Rigorous model-specific testing ensures precise fitment for 20+ Whirlpool/Kenmore variants. The upgraded food-grade PP material boasts superior toughness and weight capacity over original bins, resisting brittleness while maintaining odor-free, pollution-safe storage.
Value for Money: At a moderate price for two bins, it justifies cost through longevity and exact compatibility—critical for avoiding mismatched replacements. Cheaper alternatives risk poor fit, while OEM parts often cost more; this strikes a balance for targeted repairs.
Strengths and Weaknesses: Strengths: Unmatched model precision; reinforced material; easy tool-free installation; supports heavy items securely. Weaknesses: Zero versatility (right-door only; excludes freezers); overwhelming model list may confuse buyers; no added features beyond durability.
Bottom Line: A necessary, high-value repair solution for compatible Whirlpool/Kenmore owners. Only purchase after confirming your model—ideal for replacing damaged bins but irrelevant for non-matching units.
8. Auswalar 20 Pack Refrigerator Door Shelf Dividers Organizer Adjustable Separators for Home Kitchen Office Supplie
Overview: This 20-pack of transparent, adjustable dividers tackles fridge clutter by segmenting shelves and drawers for efficient food categorization. Crafted from food-safe PP, they offer versatile organization beyond refrigerators.
What Makes It Stand Out: The adjustable width (expands to fit varying shelf depths) and crystal-clear design enable instant item visibility and flexible compartmentalization. Unlike fixed bins, these adapt to bottles, deli meats, or frozen veggies while doubling as drawer/cabinet organizers.
Value for Money: Bulk pricing for 20 units makes this exceptionally cost-effective per divider. It outperforms single-divider sets and rivals expensive modular systems, especially given its multi-environment utility in kitchens, bathrooms, or offices.
Strengths and Weaknesses: Strengths: Space-maximizing adjustability; durable, odorless material; universal transparency speeds item location; extensive 20-count value. Weaknesses: Lacks hooks/stability on smooth surfaces; minimal height limits large-item separation; no included hardware for securing.
Bottom Line: A budget-friendly, adaptable toolkit for systematic organization. Highly recommended for households needing scalable storage solutions across multiple spaces, though best suited for medium-sized items.
9. 2 Pack 2187172 Refrigerator Door Shelf Bin Compatible with Whirlpool Amana Kenmore Replaces WP2187172, 2187172K, 2187194K
Overview: A universal 2-pack replacement bin designed for Whirlpool, Kenmore, Amana, and related side-by-side refrigerators, measuring 16.38"x6.5"x3.25". It targets users needing durable, direct-fit bins for damaged or upgraded storage.
What Makes It Stand Out: Exceptional cross-brand compatibility (covering 6 major brands) simplifies replacement shopping. The food-grade PP construction balances sturdiness with lightweight handling, resisting cracks better than aging OEM bins while maintaining ventilation slots.
Value for Money: Competitive pricing for two bins offers clear savings over single OEM purchases. Its broad compatibility eliminates guesswork for common fridge models, providing reliable longevity that justifies the investment for aging appliances.
Strengths and Weaknesses: Strengths: Wide brand/model coverage; easy snap-in installation; robust material prevents sagging; ideal for condiments/snacks. Weaknesses: Requires precise pre-measurement (no universal fit); limited depth for wide items; lacks premium features like liners.
Bottom Line: A practical, no-frills replacement essential for side-by-side fridge owners. Buy only after verifying dimensions—excellent value for restoring functionality without overspending.
10. 3PCS Refrigerator Door Organizer Set, Fridge Hanging Mesh Bag for Kitchen Storage Bag, Household Sundries Sorting Bag Used to Refrigerator Side Door, Only for Small Objects Containers (White)
Overview: This 3-pack white mesh bag set hangs on fridge doors to corral small items like straws or spices, using BPA-free PP and mesh for safe, ventilated storage. Each bag maximizes space without tools or complex setup.
What Makes It Stand Out: Emphasis on BPA-free safety and fine-mesh breathability distinguishes it from basic organizers. The streamlined design focuses purely on airflow and easy access, with reinforced stitching for longevity during frequent use.
Value for Money: Slightly pricier than non-BPA alternatives but justified by health-conscious materials. The 3-bag count offers fair value for dedicated small-item storage, though less versatile than multi-color or multi-room kits like Product 6.
Strengths and Weaknesses: Strengths: Health-focused materials; tangle-free hanging; promotes fridge airflow; simple cleanup. Weaknesses: Monochrome design lacks visual differentiation; mesh less durable than coated fabrics; narrow scope (small items only).
Bottom Line: A solid, safety-oriented choice for basic fridge organization—best for users prioritizing non-toxic materials over versatility. Recommended if replacing worn mesh bags, but consider multi-functional options for broader needs.
Understanding the Spill Problem in Your Refrigerator Door
The Physics of Fridge Door Movement
Every time you open your refrigerator door, especially quickly or with force, the contents inside experience sudden acceleration and deceleration. Bottles and jars, particularly those with narrow bases or smooth surfaces, lack sufficient stability on flat shelves. They easily tip over due to inertia, especially when the door is bumped or opened at an angle. This fundamental physics challenge is the primary reason spills occur, regardless of how carefully you initially place items.
Common Culprits Behind Door Shelf Chaos
Overcrowding is a major offender. When shelves are packed to capacity, items press against each other, creating pressure points that can knock neighboring containers loose. Mismatched container sizes also contribute; tall, slender bottles next to short, wide jars create uneven surfaces where items can roll or slide. Additionally, the smooth, often curved interior of many fridge doors provides minimal natural friction to keep items anchored during movement.
Hidden Consequences of Frequent Spills
Beyond the obvious mess and wasted food, recurring spills create less visible but significant issues. Sticky residues attract pests like ants and fruit flies, compromising kitchen hygiene. Moisture from spills can seep into shelf mechanisms or electrical components over time, potentially causing malfunctions or reducing the appliance’s lifespan. The constant stress of cleaning up also adds unnecessary friction to your daily kitchen routine, turning a simple task into a chore you dread.
Essential Features to Prioritize When Choosing a Caddy
Adjustable Compartments for Versatile Storage
Your fridge holds everything from petite soy sauce bottles to tall gallon jugs. A caddy with flexible dividers or expandable sections adapts to this variety, ensuring each item has a snug, secure fit. Look for models where compartments can be resized horizontally or vertically without tools—this future-proofs your purchase as your storage needs evolve and prevents the “one-size-fits-none” frustration common with fixed designs.
Optimal Height and Depth for Your Specific Fridge
Measure your door shelves before buying! Standard heights vary significantly between fridge models (counter-depth vs. standard-depth, French door vs. side-by-side). A caddy that’s too tall blocks the shelf above, while one too short leaves dangerous gaps where small items can roll. Similarly, depth matters—ensure it doesn’t protrude so far that it hinders door closure or bumps against the fridge interior when opened.
Secure Mounting Mechanisms That Stay Put
A caddy that slides around defeats its purpose. Effective mounting is non-negotiable. Options include non-slip silicone feet (ideal for smooth shelves), adjustable tension rods that grip shelf edges, or integrated hooks that latch onto shelf supports. Test reviews for real-world performance: does it stay anchored during vigorous door openings? Avoid flimsy suction cups—they often fail in cold, humid environments.
Material Durability and Safety Considerations
Refrigerators are cold, damp environments that test materials. Opt for BPA-free plastics specifically rated for food contact at low temperatures—they won’t become brittle or leach chemicals. Stainless steel offers premium durability but can be heavier and pricier. Avoid thin, flexible plastics that warp under the weight of full containers. Remember: if it feels flimsy at room temperature, it won’t hold up long-term inside your fridge.
Space Efficiency and Footprint Optimization
Maximize every inch. A well-designed caddy minimizes wasted space between compartments while accommodating oddly shaped items. Consider caddies with tapered edges to fit snugly against curved door interiors or those with open-top designs for easy access to tall bottles. Some feature cutouts for shelf supports, ensuring a flush fit. Prioritize designs that hold more without increasing the caddy’s overall footprint on the shelf.
Material Deep Dive: What Works Best Long-Term
Why Rigid, Food-Grade Plastics Dominate
High-impact polystyrene (HIPS) or polypropylene (PP) are industry favorites for good reason. They resist cracking in cold temps, won’t absorb odors, and are typically dishwasher-safe for effortless cleaning. Their rigidity provides crucial stability—unlike flexible bins that wobble when filled. Ensure the plastic feels substantial (not hollow or thin-walled) and check for certifications like FDA compliance to guarantee safety for food proximity.
The Stainless Steel Advantage (and Caveats)
Stainless steel caddies offer unmatched longevity and a premium look. They’re impervious to odors, stains, and warping. However, their weight can be a drawback—they might overload lighter-duty door shelves or require stronger mounting. Condensation can also make them slippery, so look for models with silicone grip pads on the base. Best suited for heavy use in larger fridges with robust shelving.
Avoiding Problematic Materials
Steer clear of materials like soft PVC (which can degrade and leach plasticizers over time) or untreated wood (which absorbs moisture and odors). Cheap, thin plastics often become brittle in the cold, leading to cracks and breakage within months. If a caddy feels lightweight and bends easily when pressed, it likely lacks the structural integrity needed to prevent spills under daily use.
Installation and Customization Tips
Measuring Your Shelf Like a Pro
Don’t just measure shelf width—account for any curves, ridges, or support brackets on your fridge door. Use a flexible tape measure to trace the shelf contour. Note the vertical clearance between shelves and any obstructions (like water/ice dispenser mechanisms in door bins). Measure at multiple points, as shelves aren’t always perfectly uniform. A caddy that fits snugly in one spot might hit an obstruction elsewhere.
Achieving a Snug, Non-Slip Fit
Placement is key. Center the caddy on the shelf to distribute weight evenly. If using tension rods, tighten them just enough to hold firm—overtightening can warp the caddy or damage the shelf. For models with feet, ensure all contact points are flat against the shelf surface; adjust fridge leveling if the shelf itself is tilted. A slight forward tilt (1-2 degrees) can actually help items stay put by using gravity to your advantage.
Maximizing Your Caddy’s Effectiveness
Strategic Item Placement Principles
Store heaviest items (milk jugs, large condiment bottles) on the bottom shelf of the caddy for lower center of gravity. Place frequently used items toward the front for easy access without disturbing others. Keep similar-height containers together—this minimizes gaps where smaller items can shift. Never overload compartments; leave a little wiggle room to accommodate door movement without pressure on container sides.
Preventing Cross-Contamination Risks
Designate specific caddies for raw meat juices or allergen-prone items if needed. Clean spills immediately—don’t let residue build up between compartments. Avoid placing strongly scented items (like fish sauce) directly next to neutral ones (like milk) unless compartments have high, sealed dividers. Regularly sanitize the caddy itself, especially if storing raw proteins nearby.
Maintenance for Longevity and Hygiene
Effortless Cleaning Routines
Remove the caddy weekly for a quick wipe-down. Most quality models are top-rack dishwasher safe, but hand-washing with mild soap preserves longevity. Pay special attention to crevices where crumbs and sticky residues hide—use an old toothbrush for scrubbing. Dry thoroughly before reinserting to prevent mold or mildew growth in the cool, damp environment.
Troubleshooting Common Issues
If your caddy slides, add removable non-slip pads (like those used under rugs) to the base corners. For items that still tip within compartments, use small silicone jar grippers or adhesive shelf liner cut to size inside the caddy slots. If dividers feel unstable, check for proper locking mechanisms—some require a firm press to engage fully. Replace worn-out silicone feet promptly; they’re often the first point of failure.
Future-Proofing Your Purchase
Adapting to Changing Kitchen Needs
Life changes—a growing family means larger juice boxes; switching to bulk buying requires gallon-container storage. Choose a caddy system designed for modularity: some brands offer add-on sections or compatible expansion kits. Alternatively, select a single caddy with extreme adjustability—it’s more adaptable than buying multiple specialized units that may not fit your space later.
Sustainability and Long-Term Value
Invest in quality once. A durable caddy made from recyclable materials (check resin codes) reduces waste compared to replacing flimsy models yearly. Consider repairability—do manufacturers offer replacement parts like lost dividers or broken feet? While upfront cost might be higher, the long-term value in saved food, reduced cleanup time, and avoiding repeat purchases makes a robust caddy a smart, eco-conscious kitchen upgrade.
Frequently Asked Questions
Frequently Asked Questions
How do I stop my fridge door caddy from sliding around? Ensure it has high-quality non-slip feet or tension rods. Clean both the caddy base and fridge shelf thoroughly before installation, as grease or moisture reduces grip. Place heavier items toward the back for stability.
Can I use a door caddy for narrow shelves that hold only small jars? Yes! Look for compact caddies specifically designed for shallow shelves, often featuring smaller, closely spaced compartments or single-tier designs that maximize vertical space without depth.
Will a caddy fit if my fridge door has curved shelves? Many modern caddies have tapered edges or flexible designs to accommodate curves. Measure the shelf’s radius and compare it to the caddy’s specifications—some brands explicitly state curved-shelf compatibility.
Are fridge caddies safe for storing raw meat containers? Only if the caddy has deep, spill-proof compartments and you place it on the bottom door shelf (never above produce). Clean it immediately after spills and sanitize regularly to prevent cross-contamination.
How often should I replace my refrigerator door caddy? Replace it if you notice cracks, warping, or persistent odors that won’t wash out. High-quality models can last 3-5 years with proper care. Inspect mounting hardware annually for wear.
Can I put a caddy in the freezer door? Generally not recommended. Extreme cold can make plastics brittle, and frequent temperature changes cause condensation that weakens adhesives. Freezer doors also experience more violent movement during defrost cycles.
Do caddies work well for oddly shaped bottles like wine or olive oil? Yes, but prioritize models with fully adjustable dividers or open-top designs. Avoid fixed compartments that might not accommodate unique shapes, causing instability.
Will a caddy block airflow inside my refrigerator? Not if sized correctly. Ensure it doesn’t extend beyond the shelf edges or press tightly against the fridge wall, which could restrict cold air circulation. Leave a small gap (1/4 inch) around the perimeter.
How do I clean stubborn sticky residue from inside caddy compartments? Soak in warm, soapy water for 15 minutes, then use a paste of baking soda and water with a soft brush. Avoid abrasive cleaners that scratch plastic and make future sticking worse.
Can I use two caddies stacked vertically on one door shelf? Only if your shelf has sufficient vertical clearance and the caddies are designed for stacking (some have interlocking features). Stacking often blocks access to the lower caddy and increases spill risk if not perfectly balanced.