waterproof The Adhesive Hooks All Are Waterproof, Oil Proof, Moisture Proof And Heat Resistance.strong Strengthadhesive Hooks Provide Enough Extra Strength And Durability To Hold Your Items.is Very Stable And Corrosion Resistant.wide Application The Universal Adhesive Hooks Are Multifunctional In Bedroom Kitchen, Bath And Household For Tea Towels, Rags, Bath Towels, Bathrobe, Clothes.easy To Install Please Use The Adhesive Hooks After 24 Hours Of Installation. Just Remove The Transparent Protective Film And Press It On The Wall, Easy And Convenient. Without Drilling Or Holes, Does Not Damage The Wall.wide Applicationadhesive Hooks Is Used On A Variety Of Smooth Surfaces, Liketile,ceramic,wood ,metal, Plastic Surface And More (except For Painted Walls),lime Wall,painted Wall,drywall And Wallpaper With Texturs Are Not Advised, Or It Will Fall Off Or Damage Your Wall.