Stainless Steel Material: The towel hooks are made of high quality SUS304 stainless steel. matte black classic elegance. corrosion protection. rustproof. self-adhesive. waterproof Powerful Load Capacity: The wall hooks are extremely adhesive and protect against water. can withstand a force of 7 kg. Please wait 24 hours before placing anything Without Perage: Easy to install. this self-adhesive hook does not need to drill holes in the wall. Just peel off the sticky tape on the back and stick it on the wall. Using a hair dryer to heat the self-adhesive could eliminate the sticky hooks. No damage to the wall Wide Application 4 Hooks: Adhesive hooks can be used on a wide variety of smooth surfaces. such as wood. glass. marble. ceramic tiles. etc (They are not suitable for non-smooth wallpaper walls, plaster walls or rough textured surfaces) Additional 2 Pcs of Adhesive Pads: With these self-adhesive foam pads. you can move the bathroom hooks to other places or reuse your old hooks. This means that you have a total of 6 chances to use these hooks. Very practical and environmentally friendly