[ Good Quality ] - The blue film protects the hook from scratches and does not affect the use. Please remove it before use. The stainless steel hooks are made of 304 stainless steel, which is very strong and corrosion-resistant. and space-saving design^[ Strong Viscosity ] - This hook can not be used on painted wall, painted door, brick wall, lime wall and wooden wall. 3M self-adhesive hooks, strong stickiness and protects against water, can withstand 5-8KG force, please wait 24 hours before placing anything.^[ Easy to Install ] - Just remove the front blue cover and peel off the back 3M PE foam and press on the wall, simple and convenient. Hooks Without drilling, will not damage the wall.^[ Wide Application ] - Stainless steel hooks for a variety of surfaces: tile, glass, plastic, stainless steel, etc. It is a must-have for your home, foyer, bedroom, bathroom, kitchen, closet , Office, Dorm, etc.^[ Fashion Design ] - Stylish, functional and modern design, stainless steel self-adhesive hooks is perfect for hanging coats, robes, hats, towels, kitchenware, umbrellas, keys, etc.