Easy to Install: please check what's type of the wall you will install before buying, S Dimensions : Shower caddy is 15 " L×4-1/2 " ×2-2/5 " . The suction cup diameter is 2-3/4 inches . Shower basket wires is made of 304 proof stainless steels it can be keeping intact for years . The black suction pad is made of rubber, Suction cap is made of ABS plastic with chrome finish , Water proof , demountable and removable . Product Description Clean and dry the mounting surface completely. Unscrew the knob on the mounting base, remove the suction cup cap, also remove the plastic protective film on the rubber suction cup, then attach the rubber suction cup to the mounting surface. Install the suction cup cap and hang the holder into the slot of the suction cup cap. Screw the knob and tighten until the suction cup is firmly attached to the mounting surface. What's in the box 1* Shower basket (Made of Food-Grade 304 Stainless Steel) 2* Mounting Base, Include Suction Cup (Made of Premium Quality Rubber), Cap (Made of Chrome-Plated ABS Plastic), Knob (Made of Chrome-Plated ABS Plastic) Specification Basket size(L * W * H): 15in/38cm x 4.3in/11cm x 2.4in/6cm Suction cup dia: 2.8in/7.2cm