Prodcut Name : Suction Cup Hook;Load Bearing : 2kgMaterial : Plastic;Color : White, GraySuction Cup Diameter : 43mm/ 1.7";Hook Height : 7.5cm/ 3"Net Weight : 37gPackage Content : 2 x Suction Cup Hook Hanger Installation sites: Smooth surface (tile,glass ,graite ,stainless steel , plates and so on. No nails, No holes at wall. Applicated in kitchen, washroom, bedroom, wardrobe and so on. Usage: Clean the surface of the wall with a dry cloth, then put the black cup hardly until it sucks the surface. Loaded booster board, Tightened up plastic triangle, put a small iron.