NO DRILLING AND MARKING - No need to drill unsightly holes and use glue, leaves no marks or sticky residue! The suction hook uses high quality clear PET plastic material and lever lock technology, which ensures extremely stronger grip. Convenient Hanging Hooks: You can hang washcloths, utensils, spoons, aprons and rags in the kitchen; Bathroom to organize shower curtain, bathrobe, loofah, sponges, towels; living room for hanging coat, bag, hat, scarf, clothes; indoors or outdoors to place daily and festive decorations. The maximum load of 6.6lb/3kg. Waterproof, strong and durable. Easy to install: no installation tools required, clean the surface and keep it dry, attach suction cups and pull the hook down vertically, the more suction the better. Detachable and Reusable: Lift the hook to release the suction cup and it can be removed. Dip the suction cup hook into the warm water, you can reuse it after drying. Widely used and Note: The vacuum suction cup can be used on window, mirror, glass, metal, acrylic, non-porous or other smooth surface. Cannot be used on rough surfaces or lime cement walls, wallpaper, unpainted wood.