Applicable Wall: ONLY work for ceric tile (uncraed),glass,mirror,polished metal,stainl steel and acrylic. Please don't sti to a grout line. NOT work for painted/dry wall,wood,wall paper or any other rough/cra wall. If problems when firstly installat,please wash the suct cup,dry it with hair dryer and test it on the smooth glass surface. If suct holds,that means initial wall might not applicable for using suct cup,please chan installat locat One Second Installat: No drilling,no screws,no holes,no glue,no tools to apply the suct cup . 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 plete the installat Powerful & Durable Suct: TPE Suct Cup with design of ocus tentacles and ABS plastic Hook s weather proof(-4°F-174°F),waterproof,oil-proof and anti-aging; with thien plastic can hold up to 10KG / 22 lbs and sti sturdy for years after installat without any concerns. The dimens of the small shower basket is 10.8 * 3.7 * 2.9 inch (L*W*H),and the lar shower basket is 12 * 4.7 * 3.4 inch (L*W*H) Unique All-Around Draina Design: With so many draina holes and -6° inclined bottom,the shower shelf has maximum air ventilat and water dripping away. Keep your bath products air dry quily 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 organize Multifunctal: The suct cup organizer work great in the shower/ bathroom/ bathtub/ counter / kitchen and more. Basket for shpoo,shower l,cosmetics,hair conditer,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.