304 Stainless Steel: The Rubber Hook Is Made of Waterproof 304 Stainless Steel, Waterproof, Anti-Rust And Oil-Proof. High-Quality Stainless Steel Wire Drawing, Heavy-Duty Performance, Waterproof, Easy to Clean. . High Load Capacity: Self-Adhesive Hooks Have An Extremely High Viscosity. A Notice: This Hook Cannot Be Used for Painting Walls, Painting Doors, Brick Walls, Lime Walls And Wooden Walls. The Maximum Load Capacity of The Stainless Steel Hook Is 6Kg / 13Lbs. . Wide Application: Coat Hook Can Be Used On Different Surfaces: Ceramic Tile, Stainless Steel, Glass, Plastic, Etc. Stainless Steel Makes The Hook Firm And Can Hold All Kinds of Accessories From Coat, Keys, Bag to Umbrella. . Thanks for Your Support: Thank You for Your Support of Our Small Business. I Hope You Have A Good Time With This Product. .