Measure the width, depth and height between the pipes and the cabinet walls, then compare it to the dimensions listed for each model. The Delamu S (8.27" × 13.19" × 9.06") and Vtopmart (11.8" × 7.5" × 10") are compact enough for tight spaces, while the larger Delamu L (8.27" × 13.19" × 10.63") offers extra vertical storage if you have a bit more clearance. Choosing a size that leaves at least an inch of clearance around the pipes prevents interference when pulling out drawers.

Clear acrylic combined with stainless‑steel or aluminum alloy support rods gives both strength and a see‑through view of contents; this is used in the Delamu and Vtopmart organizers. ABS plastic, as found in the HIHEGD model, is also water‑proof and rust‑proof but less transparent. If you value quick visual identification, the acrylic options are the most practical.

Weight capacity varies: Vtopmart’s top drawer is rated for up to 15 lb, while the Sevenblue basket can support up to 50 lb thanks to its reinforced support tubes. The HOMCOM cabinet holds a total of 33 lb across two shelves, and POUGNY’s suction‑base units are also rated for 50 lb. Check the product specs to ensure the organizer can handle your heaviest cleaners or bottles.

Stackable designs let you add extra tiers only when you need them, maximizing vertical space without widening the footprint. Delamu’s 2‑tier units can be stacked up to three high, and the 3‑tier Delamu set lets you configure “2 + 2 + 2” or “1 + 2 + 3” combos for custom height. If you anticipate future storage growth, choose a stackable system rather than a fixed‑height organizer.

Most models are tool‑free, featuring snap‑together rods and silicone non‑slip pads for quick setup; Vtopmart, Ukeetap, and POUGNY all advertise assembly in seconds. The HOMCOM cabinet is a larger, permanent fixture that may need basic screws, but it offers an enclosed, lockable space. For renters or frequent re‑arrangements, a tool‑free organizer is the safest bet.

Slide‑out drawers with tracks are standard on Delamu, Vtopmart, HIHEGD and POUGNY, providing smooth one‑hand operation and built‑in handles. Some models, like the Sevenblue basket, use an open‑shelf design without drawers, which is simpler but offers less protection for liquids. If you need easy access without pulling the whole unit out, opt for a drawer‑based organizer.

The Delamu 2‑tier sets offer a blend of clear acrylic visibility, stackability, and adjustable dividers at a competitive price, making them a strong all‑round choice. Vtopmart’s 4‑pack provides multiple units for a low per‑unit cost, ideal for families needing several bathrooms. For heavy‑duty storage, Sevenblue’s robust support tubes and 50 lb capacity justify a slightly higher price tag.