Product Feature:1、These heavy duty hooks for hanging are made of SUS304 stainless steel, PVC and PC materials. These self sticking hooks are waterproof and rustproof even in the bathroom and kitchen.2、These small self adhesive hooks clear stick hooks are small round shape and clear, thus they will not influence your decor at home.3、These plastic sticky hooks for hanging have a BIG load capacity and are ideal for house organization.NOTE：These stick on plastic hooks for hanging can stick fast and hard, thus they are not that suitable for walls covered with wallpaper since when taking them off the wall, they may stripped the paper off down to the plaster. Besides make sure your extra strong self adhesive hooks heavy duty are correctly positioned before pressing on the wall as it isn't removable once on the wall.