Applicable Wall: ONLY work for ceramic tile (uncracked), glass, mirror, polished metal, stainless steel and acrylic. Please don't stick to a grout line. NOT work for painted/dry wall, wood, wall paper or any other rough/crack wall. If problems when firstly installation, please wash the suction cup, dry it with hair dryer and test it on the smooth glass surface. If suction holds, that means initial wall might not applicable for using suction cup, please change installation locationOne Second Installation: No drilling, no screws, no holes, no glue, no tools to apply the suction cup shower caddy. Simply choose a smooth and dry surface without any grout, take off the protective cover and push the board STRONGLY until you hear "PUFF", ONE second to complete the installationPowerful & Durable Shower Caddy Suction: TPE Suction Cup with bionic design of octopus tentacles and ABS plastic Hook ensures weather proof(-4°F-174°F), waterproof, oil-proof and anti-aging; shower caddy with thicken plastic can hold up to 10KG / 22 lbs and stick sturdy for years after installation without any concerns. The dimension of the shower basket is 10.8 * 3.7 * 2.9 inch (L*W*H)Unique All-Around Drainage Design: With so many drainage holes and -6° inclined bottom, the shower shelf has maximum air ventilation and water dripping away. Keep your bath products air dry quickly and clean. The bathroom caddy is removable. Shower basket not only works for inside shower, but you can also take this caddy organizer out for table organizeMultifunctional: The suction cup organizer work great in the shower/ bathroom/ bathtub/ counter top/ kitchen and more. Basket for shampoo, shower gel, cosmetics, hair conditioner, hand washing liquid and more. Also, this shower basket has a fence intimated hooks design, you can hand your towels, brushes on it. The bottom of the caddy is -6° degree for prevent the product falling