This self-adhesive square hooks can be easily attached to glass, wood, metal, ceramics, ceramic tiles, etc. Suitable for towels, hats, clothes, bathrobes, keys, umbrellas, saving backpacks and bedrooms, bathrooms, offices, wardrobes, kitchens, cabinets. It is made of high quality SUS304 stainless steel with a brushed finish. This gives them resistance to corrosion and rust. The appropriately high quality adhesive is extremely strong and also waterproof. It has hand polished stainless steel surface, corrosion resistant, waterproof, scratch resistant and durable. Stainless steel material for durability and aesthetics. It can withstand up to 8-10kg weight when its supported this way.