Waterproof Stainless Steel Suction Cup HooksPremium brushed stainless steel, preventing corrosion and rust with daily use, tarnishing and fingerprints, and is easy to clean. Suction cup holders work well even where there is moisture. Ideal for storing your towels, tea towels, loofahs, baby baths, kitchen turners, brushes, wreaths, clothes, robes, hats, keys, bags, etc. Wall applicable Only works on smooth surfaces , dry, flat and non-porous, such as glass, mirrors, porcelain tiles, glazed tiles, acrylic, stainless steel, plastic surfaces, corian walls, etc. Does not work on dusty, damp, breathable, uneven, porous, painted, matte, textured or curved surfaces such as PAINTED WALL, CERAMIC, Original WOOD, Limestone Wall, Wallpaper, Frosted Glass, etc. Strong and deep bathroom suction cup hooks The suction cup base is made of high plastic PVC with a 2mm soft sticky gum layer, flexible to fill and stay under vacuum (the "sticky" base n is not 3M glue). Nail-free towel hooks with a load capacity of up to 5 kg. Removable and reusable suction cup wall hook Convenient solutions to add in the bathroom, kitchen and shower in glass as additional temporary utility hooks, to be removed and repositioned without leaving residue. Efficiently hold objects without having to do anything on the walls of the house or rented dorm. Remember to wash and dry before using again. Easy installation without drilling No tools, no glue, no marks on the wall. Firmly press the suction cup against the wall and twist the knob cap by hand to complete installation and removal. Please install by following ALL steps in the installation instructions and video. Any questions, please feel free to contact us by email on the package box.