1. 【 Waterproof Heavy Duty Sticky Wall Hooks 】 Able to resist daily scratches, corrosions, tarnish and rust. Those circle stick on hooks use strong adhesives . 2. 【 Widely Used Sticky Hooks 】Suitable for inside shower, bathroom, bedroom, kitchen, closet and living room. Able to hang, sponge, towels, loofah, coats, purses, bag, keys, washcloths, clothes, hats, mug and etc. Not recommended to hang fragile, expensive items. 3. 【 Works on Different Surfaces 】Those black adhesive hooks work on different surfaces such as wood, marble, clipboard, ceramic tile, glass, plastic, stainless steel and metal. Do not work on the paint wall and wall paper. It will damage the wall surface. 4. 【 Handy Damage Free Hooks 】Those self adhesive hooks are the perfect tool for a place that is not allowed drilling the wall, such as renting apartments, RV. The adhesive wall hooks are the convenient replacement for you. No damage to the wall. 5. 【 Easy to Install & No Drill Needed 】 Tear it apart and paste it in the desired position and press firmly for a few seconds. The installation only takes seconds. We recommend wait 24 hours before hanging any items on it. When removed, use a hairdryer to heat the adhesive, it can be easily removed. No nails or screws are needed.