Waterproof Stainless Steel Suction Cup HookPremium brushed finish stainless steel, prevents corrosion and rust in daily use, tarnishing and fingerprints, and is easy to clean. Suction cup hangers work well even in wet places. Applicable Suction Cup Glass Wall HooksThe suction cup hook can only work on smooth non-porous surface, such as glass, window, ceramic tile, mirror, metal, artificial granite, stainless steel and plastic surface, but not be used on uneven, rough and porous surfaces, such as wood, natural granite, natural marble, painted wall, or curved surfaces. Powerful & Deep Suction Hooks The suction cup base is made of high plastic PVC with a 2mm soft sticky gum layer, flexible to fill and stay vacuum ("sticky" base is not 3M glue). The suction cup wall hooks with a load capacity of up to 5 kg are deep enough to hang your towels, dishcloths, loofah, baby tubs, kitchen turners, brushes, clothes, bathrobes, hats, keys, bags, etc. . Removable and Reusable Suction Cup Hanger HooksConvenient solution for adding temporary utility hooks to bathroom, kitchen, shower glass, remove and reposition without residue. Efficiently hold things without having to do anything to the walls of the house or rented dorm. Remember to wash and dry before using again. Easy Installation Without DrillingNo tools, no glue, no marks on the wall. Press the suction cup firmly against the wall and twist the button cap by hand to complete the installation and removal. Please install by following ALL steps in the installation instructions and video. Any questions, please feel free to contact us via email on the package box.