No sticky residue, marks or damage! Remove the film, press the hook on smooth / non-porous wall until you can see that the suction cup becomes flat when you hear the slight exhaust noise, and the suction cup hook will befirmly sucked! (remove it with a hard and thin card) Suction cup hook designed by vacuum principle comes from octopus bionics, can attach strongly on the surface accordingly supporting 5KG Max. wall hook provides antifreeze function, avoid the suction cup harden as temperaturechanges, so that's safe to use in any indoor or outdoor environment, never worry about falling objects Arbitrary placement and removable, You can move and reuse according to your needs, more convenient for daily use, enjoy our reusable kitchen utensil! Simple and elegant, perfect hook for hanging decorationChristmas as wreath, door sign, shower robe, towel, tea towel. make your life more simple and convenient Waterproof plastic wall hook, moisture-proof, no rust, can completely withstand the humid environment like bathroom or shower for a long time without ever falling off; the ecological non-toxic odorless suction cupmore hygienic for the whole family, helping you improve your storage. Durable plastic and eco-friendly suction cup, suitable for bathroom, kitchen, bedroom, living room, cabin, toilet, closet, window. A good idea for storage throughout the house (Not suitable for slightly textured mosaic or tiled surfacessuch as wall plastering, latex paint, old tiles, cement walls, etc)