The stainless steel waterproof suction hook is advanced brushed stainless steel, which can prevent corrosion and rust in daily use, lose luster and fingerprints, and is easy to clean. Even in wet places, clothes hangers can work well. Applicable walls are only applicable to smooth, clean, dry, flat surfaces without holes, such as glass, windows, mirrors, tiles, glazed tiles, acrylic, stainless steel, plastic surfaces, Corian walls, etc. It is not applicable to dusty, wet, breathable, uneven, porous, painted, matte, textured or curved surfaces, such as painted walls, ceramics, raw wood, natural marble, natural granite, mosaic or travertine tiles, plastered walls, lime walls, wallpapers, frosted glass, grouting lines, etc. The base of the strong vacuum suction and deep hook suction cup is made of high plastic PVC with a 2mm thick soft adhesive gum, which can flexibly fill and maintain the vacuum (the sticky base is not 3M glue). Removable and reusable suction hooks are used to add temporary utility hooks to the bathroom, kitchen and shower glass, and to remove and reposition them without leaving any residue. Effectively store items without any operation on the walls of the rental house or dormitory. Remember to clean and dry before reuse. Easy installation without drilling. No tools, no glue, no marks on the wall. Press the suction cup firmly on the wall, and turn the knob cover by hand to complete the installation and removal. Please follow the installation instructions and all the steps in the video to install.