Warn Tips: 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 location One Second Installation & Remove: No drilling, no glue, no tools and no need to wait to apply the shower caddy. Simply choose a smooth and dry surface without any grout, take off the protective cover and push the board "PUSH" STRONGLY until you hear "PUFF", ONE second to complete the installation. The suction cup is removable without leaving any marks, so you can adjust height and position whenever you want Powerful & Durable Suction: TPE Suction Cup with bionic design of octopus tentacles and ABS plastic Hook ensures weather proof(-4°F-174°F), waterproof, and anti-aging; bathroom shower organizer with thicken plastic can hold up to 10 KG / 22 lbs and stick sturdy for years after installation without any concerns Rustproof & Fast Draining: Shower shelves for inside shower is made of Stainless Steel which not only prevents rust but also stands up to times. Whit all-around drainage design, the shower caddy has maximum air ventilation and water dripping away. Keep your bath products air dry quickly and clean Large Capacity & Humanized Hook: Large capacity for shampoo, shower gel, cosmetics, hair conditioner, hand washing liquid and soap. Also shower basket includes 2 large size hooks, you can hand your razors, towels, brushes on it. The shower holder organizer works great in the shower/ bathroom/ bathtub/ kitchen/RV and more, meet all your storage requirement One Second Installation & Remove: No drilling, No glue, No tools and No need to wait to apply the shower caddy. Simply choose a smooth and dry surface without any grout, take off the protective cover and push the board "PUSH" hard until you hear "PUFF", ONE second to complete the installation. The suction cup is removable without leaving any marks, so you can adjust height and position whenever you want.