1)WIDE APPLICATION: The round sticky hooks can be attached to different surfaces such as glass, wood, ceramics, tile, plastic, or even metal surfaces. Self adhesive hooks are great for hanging coats, towels, robes, mops, brooms, towel, hats, clothes, robe, keys, umbrellas, hair dryer, backpack etc. and help you save the space, keep your room tidy. 2)LONG DURABILITY: This bathroom adhesive hook set is made from the 304 brushed stainless steel that is sure to be waterproof, rustproof and scratch proof, so you won't have to worry about the steam and dampness from your shower corroding the stick on hooks. 3)TOOLLESS MOUNTING: cupboard hooks come in a set of 4 provide an excellent hold, allowing you to confidently leave your drills, wall anchors, and screws on your tool rack. No Tools, no drilling, no screw no making holes, these kitchen towel hangers can be effortlessly installed and strong enough to last many years. 4)HEAVY DUTY: With a super-viscosity 3M adhesive pad, the bathroom stick on hooks are heavy duty design for supporting heavy objects(