304 Stainless Steel The adhesive hooks are made of 304 stainless steel that is waterproof, rust and oil resistant. can be used in humid conditions, such as bathroom and toilet, etc. Premium Stainless Steel - Brushed, sturdy, waterproof, easy to clean. No drill needed No drill needed, peel off the back protector and stick it on the smooth surface, wait 24 hours (summer) / 48 hours (winter) to ensure better adhesion. When removing, first use a hair dryer to heat the melted glue, then the nail-free wall brackets can be easily removed. Wide usage Self-adhesive hook can be easily stuck to glass, wood, metal, ceramics, tiles, etc. The stainless steel makes the hook firm and can accommodate all kinds of accessories, from coats, keys, bags to umbrellas. The hooks for the back of the door help you save space, keep your room tidy! Modern design Adhesive hooks can add more storage space at home, you can also design and decorate the wall according to your personal style through hooks.Warm Tips You can stick it on hard and smooth surface like ceramic tiles, metal surface, glasses and so on. Not suitable for painted walls, wallpaper, drywall and rough surfaces, otherwise it may damage the wall. Note: The data is all measured manually, please allow 1-3cm error, depending Due to the light and display difference, there will be a certain color difference, the actual object received shall prevail.