magic hook,water proof,Easy to stick on and remove,no mark ... . Diversified latest designs,it likes a picture on the wall. Instructions:1.Clean the adhesive surface with a clean ... porous material surfaces, such as painting wall, wallpaper, cob wall, sand wall and flowery tile wall.6.The hook can be used in ... time goes,it also will slipping when it meet water.2.The common mucilage hook,which hang weight is ...