3M self-adhesive hooks Self-adhesive hooks with high load capacity can carry 2-3kg. It is easy to install without drilling, without damaging the wall. Material Waterproof and rustproof stainless steel, strong and durable.If you need to remove, apply heat with a hair dryer, no residue on the wall. Widely Appliaction The surface of the black matt hook is very smooth, no corners, simple and stylish, for hanging up your towels, bathrobes, bags, pans, pots, lids, cutlery and spoons in the bathroom, in the kitchen, in the living room etc. Wide compatibility The towel hook can easily stick to all clean and smooth surfaces such as tiles, glass, stainless steel, marble and wood. Ideal for use in bedrooms, bathrooms, toilets and in the kitchen. Pack of 4 wall hooks4.5*4.5*0.1cm Black step 1 Cleaning the installing surface and dry it then the removable hooks will be installed good.( must be smooth surface ,like ceramic tile, metal surface ,glasses, etc.) step 2 Just peel off the protective layer on the back of hanging hooks and stick it on the desired position, then press for several seconds. step 3 Recommended to leave bathroom towel hooks 24 hours before hanging any objects.