Table of Contents

12 sections 13 min read

As an Amazon Associate I earn from qualifying purchases. Links marked “Affiliate link” may earn us a commission at no extra cost to you. Learn more.

SPACELEAD Slim Storage Cart 4 Tier has the smallest listed floor footprint, at 0.52 sq ft, and Kalrin Over-The-Toilet Storage Rack the largest, at 1.63 sq ft. Three bathroom storage for small spaces options are compared here by their listed size, and the sections below use each product’s own listing data. SPACELEAD Slim Storage Cart 4 Tier lists 15.3″ D × 4.9″ W × 38.7″ H; Kalrin Over-The-Toilet Storage Rack lists 9.84″ D × 23.82″ W × 68.11″ H; Pipishell 3 Tier Bathroom Storage Cart lists 7.1″ D × 15.8″ W × 26.4″ H. Specifications come from Amazon listing data checked October 3, 2026; we have not tested these products. Confirm the selected variant on Amazon before ordering.

Quick compare: the products in this guide

Sizes come from the Amazon listings as we read them; check the product page for the current details before you buy.

ProductListed detailsLink
SPACELEAD Slim Storage Cart 4 Tier,Bathroom Organizer Rolling Utility,Mobile…15.3″D x 4.9″W x 38.7″HSee details on Amazon Affiliate link
Kalrin Over-The-Toilet Storage Rack, 4-Tier Bathroom Organizer Shelf Over…9.84″D x 23.82″W x 68.11″HSee details on Amazon Affiliate link
Pipishell 3 Tier Bathroom Storage Cart, Slim Storage Cart with Wheels,Black7.1″D x 15.8″W x 26.4″HSee details on Amazon Affiliate link

Three options at a glance

PickListed dimensionsFloor footprintFootprint rank
SPACELEAD Slim Storage Cart 4 Tier15.3″ D × 4.9″ W × 38.7″ H74.97 sq in (0.52 sq ft)Smallest
Kalrin Over-The-Toilet Storage Rack9.84″ D × 23.82″ W × 68.11″ H234.39 sq in (1.63 sq ft)Largest
Pipishell 3 Tier Bathroom Storage Cart7.1″ D × 15.8″ W × 26.4″ H112.18 sq in (0.78 sq ft)Middle

1. SPACELEAD Slim Storage Cart 4 Tier,Bathroom Organizer Rolling Utility,Mobile Shelving Unit Slide Out for Office, Kitchen, Laundry Room & Narrow Places,Black — Smallest listed footprint

Listed details: dimensions 15.3″ D × 4.9″ W × 38.7″ H; item weight 3.2 pounds; listed maximum weight 100 kg; material Plastic; color Black.

The SPACELEAD cart has the narrowest listed footprint in this group: 4.9 inches wide and 15.3 inches deep, with four tiers reaching 38.7 inches high. Its listing describes a plastic frame, adjustable dividers, side hooks and four casters, two of which lock. It also says the cart can be converted from mobile to fixed storage. The stated maximum weight recommendation is 100 kg, but the listing does not explain whether that applies to the whole cart or each tier. The listing says assembly requires no tools and takes under 10 minutes. Check the opening carefully before choosing this tall, narrow cart.

Pros

  • Narrowest listed footprint at 4.9 inches wide by 15.3 inches deep.
  • Four tiers, adjustable dividers, side hooks and four casters are listed.
  • The listing states a 100 kg maximum weight recommendation.

Cons

  • At 38.7 inches high, it may not suit a low shelf or counter opening.
  • The listing does not clarify whether the 100 kg recommendation applies per tier or to the entire cart.
  • The listing describes plastic construction, which may not be the preferred look or feel for every bathroom.

Who it is for / who should skip it: Pick it if the gap is especially narrow and you want a tall cart that can roll or be fixed in place. Skip it if the listing’s unclear weight limit or plastic construction is a concern.

2. Kalrin Over-The-Toilet Storage Rack, 4-Tier Bathroom Organizer Shelf Over Toilet with Adjustable Shelf and Basket, Freestanding Space Saver Bathroom Shelves Above Toilet for Room (Vintage Brown) — Largest listed footprint

Listed details: dimensions 9.84″ D × 23.82″ W × 68.11″ H; item weight 7.9 kg; material Metal; color Brown.

The Kalrin rack is designed to stand over a toilet, with listed dimensions of 23.82 inches wide, 9.84 inches deep and 68.11 inches high. Its four-tier arrangement includes three open shelves and a storage basket; the listing also mentions three removable hooks and a toilet paper holder. Three wooden shelves are adjustable, and the product description identifies a metal frame with P2 particleboard panels. Wall-fixing nails and an X-shaped crossbar are listed as stability features. This is the tallest and widest option here, so measure the toilet area and ceiling clearance before choosing it. The listing does not state a weight capacity.

Pros

  • Designed to use space above a toilet rather than floor space beside it.
  • Includes three open shelves, a basket, three removable hooks and a toilet paper holder.
  • Three shelves are described as adjustable; wall-fixing nails and an X-shaped crossbar are listed.

Cons

  • At 68.11 inches high and 23.82 inches wide, it needs more clearance than the other listed options.
  • The rack uses P2 particleboard and a metal frame, rather than the plastic construction of the rolling carts.

Who it is for / who should skip it: Choose it if the space above your toilet is available and you want shelves plus a basket and holder. Skip it if your bathroom cannot accommodate its listed height and width or you need a stated load limit.

3. Pipishell 3 Tier Bathroom Storage Cart, Slim Storage Cart with Wheels,Black — Middle listed footprint

Listed details: dimensions 7.1″ D × 15.8″ W × 26.4″ H; material Plastic; frame Acrylonitrile Butadiene Styrene; color Black.

The Pipishell cart measures 15.8 inches wide, 7.1 inches deep and 26.4 inches high, placing it between the other products by listed footprint. It has three shelves and caster wheels for moving it in and out of a tight space. The listing also includes a cup and six hooks that hang on the side. Its material is described as ABS plastic, with an acrylonitrile butadiene styrene frame, and the shelves have ventilation holes for drainage and air movement. The listing does not state the cart’s weight capacity or interior shelf dimensions. Compare the 7.1-inch depth with the gap where you plan to park it.

Pros

  • Three shelves and caster wheels are listed for storage that can be moved.
  • Includes a cup and six side hooks.
  • Ventilation holes are described as allowing drainage and air movement.

Cons

  • At 7.1 inches deep, it needs more gap depth than the SPACELEAD cart’s listed 4.9-inch width is likely to suggest; compare the actual orientation and opening.
  • The listing does not state a weight capacity or interior shelf dimensions.
  • The listing describes ABS plastic construction, not a metal or wood finish.

Who it is for / who should skip it: Pick it if you want a rolling three-shelf cart with hooks and a cup, and its listed dimensions fit your gap. Skip it if you need a stated capacity or a toilet-over storage solution.

What to check before buying bathroom storage for small spaces

Start with the storage location and the opening’s dimensions. For a narrow gap beside a vanity or appliance, compare the cart’s width and depth with the usable opening, allowing enough room to move it if it has wheels. SPACELEAD is 4.9 inches wide and 15.3 inches deep; Pipishell is 15.8 inches wide and 7.1 inches deep. Those shapes are different, so compare each dimension in the orientation you plan to use rather than relying on a footprint label alone. If the open area is above the toilet, consider Kalrin instead: its listing gives a width of 23.82 inches, depth of 9.84 inches and height of 68.11 inches. Measure both the toilet area and overhead clearance.

Next, match storage type to what you need to keep accessible. SPACELEAD offers four tiers, adjustable dividers and side hooks. Pipishell has three shelves, a cup and six hooks. Kalrin has three open shelves, a basket, three removable hooks and a toilet paper holder; its three wooden shelves are described as adjustable. Choose by the listed arrangement, not by assuming shelf or basket dimensions that are not provided.

Then check construction and mobility. Both carts are described as plastic, while Kalrin has a metal frame and P2 particleboard panels. SPACELEAD lists four casters, two with locks; Pipishell lists caster wheels. If you need the unit to stay put, note that the Kalrin listing mentions wall-fixing nails and an X-shaped crossbar, while SPACELEAD also describes conversion to fixed storage.

Finally, verify load information and assembly before buying. SPACELEAD lists a 100 kg maximum weight recommendation, but does not say whether it applies per tier or to the whole cart. The other listings do not state capacity. SPACELEAD says assembly is tool-free and takes under 10 minutes; the other data does not specify assembly details. Treat missing capacity, assembly and interior measurements as unanswered questions.

Worked example: fit math for these three options

This worked example is our own planning arithmetic from the listed dimensions, not test results. The wall length and walkway width are assumed example values; replace them with your measurements.

Wall example. Assume 36 inches of clear wall.

  • SPACELEAD Slim Storage Cart 4 Tier: 36 − 4.9 = 31.1 inches spare; centred, 15.55 inches on each side before trim, plugs or curtains.
  • Kalrin Over-The-Toilet Storage Rack: 36 − 23.82 = 12.18 inches spare; centred, 6.09 inches on each side before trim, plugs or curtains.
  • Pipishell 3 Tier Bathroom Storage Cart: 36 − 15.8 = 20.2 inches spare; centred, 10.1 inches on each side before trim, plugs or curtains.

Walkway example. The US Access Board gives 36 inches as the minimum clear width for an accessible route. That figure is a yardstick, not a rule for private homes. To keep 36 inches clear beside each product, the walkway between it and the opposite obstacle must be at least 36 inches plus its depth:

  • SPACELEAD Slim Storage Cart 4 Tier: 36 + 15.3 = 51.3 inches of total path width.
  • Kalrin Over-The-Toilet Storage Rack: 36 + 9.84 = 45.84 inches of total path width.
  • Pipishell 3 Tier Bathroom Storage Cart: 36 + 7.1 = 43.1 inches of total path width.

Footprint. Depth × width, converted at 144 square inches per square foot:

  • SPACELEAD Slim Storage Cart 4 Tier: 15.3 × 4.9 = 74.97 sq in, or 0.52 sq ft.
  • Kalrin Over-The-Toilet Storage Rack: 9.84 × 23.82 = 234.39 sq in, or 1.63 sq ft.
  • Pipishell 3 Tier Bathroom Storage Cart: 7.1 × 15.8 = 112.18 sq in, or 0.78 sq ft.

Mistakes to avoid

  • Measuring only the width. Compare both width and depth with the opening, and check the planned orientation. The two carts have notably different listed shapes.
  • Forgetting overhead clearance. Kalrin is listed at 68.11 inches high. Measure the space above the toilet before choosing this rack.
  • Assuming all load limits are clear. SPACELEAD lists a 100 kg maximum weight recommendation but does not explain how it is allocated; the other listings do not state capacity.
  • Choosing by tier count alone. The products differ in their included extras: Kalrin has a basket and toilet paper holder, Pipishell has a cup and six hooks, and SPACELEAD has adjustable dividers and side hooks.

Frequently asked questions

Which option is best for a very narrow gap?

SPACELEAD is listed as 4.9 inches wide, the narrowest listed width among these products. Its depth is 15.3 inches, though, so compare both measurements with the gap and check that the cart’s orientation works for your space. The listed footprint should not replace measuring the actual opening.

Which product is made to go over a toilet?

The Kalrin rack is specifically described as an over-the-toilet organizer. It measures 23.82 inches wide, 9.84 inches deep and 68.11 inches high. Check the toilet area and the clearance above it, and note that its listing does not state a weight capacity.

Do these products have stated weight limits?

SPACELEAD lists a maximum weight recommendation of 100 kg, but does not explain whether that applies to each tier or the cart as a whole. The provided listings for Kalrin and Pipishell do not state a weight capacity. If load limits matter for your planned items, confirm the details with the seller.

Which carts have wheels, and can they be kept in place?

SPACELEAD lists four casters, including two with locks, and describes conversion from mobile to fixed storage. Pipishell is described as having caster wheels. Kalrin is a rack for above the toilet, and its listing mentions wall-fixing nails and an X-shaped crossbar. The provided information does not describe wheels for Kalrin.

Products worth checking

We have not tested these products. Sizes and features come from the Amazon listings as we read them; where a listing does not say, we say so.

SPACELEAD Slim Storage Cart 4 Tier,Bathroom Organizer Rolling Utility,Mobile Shelving Unit Slide Out for Office, Kitchen, Laundry Room & Narrow Places,Black

listed dimensions 15.3″D x 4.9″W x 38.7″H

The listing gives listed dimensions 15.3″D x 4.9″W x 38.7″H.

See details on Amazon Affiliate link

Kalrin Over-The-Toilet Storage Rack, 4-Tier Bathroom Organizer Shelf Over Toilet with Adjustable Shelf and Basket, Freestanding Space Saver Bathroom Shelves Above Toilet for Room (Vintage Brown)

listed dimensions 9.84″D x 23.82″W x 68.11″H

The listing gives listed dimensions 9.84″D x 23.82″W x 68.11″H.

See details on Amazon Affiliate link

Pipishell 3 Tier Bathroom Storage Cart, Slim Storage Cart with Wheels,Black

listed dimensions 7.1″D x 15.8″W x 26.4″H

The listing gives listed dimensions 7.1″D x 15.8″W x 26.4″H.

See details on Amazon Affiliate link

Sources checked

Specifications come from the Amazon listings as we read them for this guide. Product details and availability can change, so confirm on the product page before you buy.

How we research our guides