How do you install the adhesive hook on your wall 1.To ensure it holds well you have to clean and dry the surface that will hold the hook. 2.Carefully remove the sticker from the surface with the adhesive on the hook without touching the adhesive with your hands. 3.Stick the hook on to the clean surface of your wall and press it hard to ensure firm. 4.To ensure that is sticks better let it sit for 24 hrs after installation without hanging anything on it. 5.It can be easily pulled down from your wall by heating the adhesive with a hair drier until it peels off the wall. Material: Stainless Steel Surface: Brushed Backside: Self-adhesive Size: 55mm (L) x 30mm (W) x 2mm (H). Can hold up to 6 lbs. Adhesive hook can hold on to surfaces like wood, tile, glass, plastic, steel, and metal.