Stainless Steel Waterproof Suction HookPremium grade brushed finish stainless steel, preventing corrosion and rust in daily use, tarnish and fingerprints, and is easy to clean. Suction hangers work well even though where is damp. Applicable WallOnly work well on smooth clean dry flat and non-porous surface, such as glass, window, mirror, porcelain tile, glazed tile, acrylic, stainless steel, plastic surface, corian walls etc. Doesnt work on dusty, wet, breathable, uneven, porous, painted, matte, textured or curved surfaces such as PAINTED WALL, CERAMIC, Original WOOD, Natural Marble, Natural Granite, Mosaic or Travertine Tiles, Plastered Wall, Lime Wall, Wallpaper, Frosted Glass, over Grout Lines etc. Strong Vacuum Suction& Deep HooksSuction cup base is made of high plastic PVC with 2-mm layer soft sticky gum, flexible to fill in and remain vacuum. Suction wall hooks with a load capacity of up to 5kg are enough deep to hang your towels, tea towels, loofahs, babys baths, cooking turners, brushes, wreaths, clothes, robes, hats, keys, bags and so on. Removable & Reusable Suction Hanging HooksPractical solution to add temporary utility hooks in the bathroom, kitchen, shower glass, remove and re-position without leaving residues. Effectively holding stuff without having to do anything to the walls of rented house or dormitory. Remember to wash and dry before reusing. Easy Installation without DrillingNo tools, no marks on the wall. Press suction cup hard to the wall and twist the knob cap by hands to finish installation and removal. Please install by following ALL steps in installation instructions & video.