1. Rustproof Stainless Steel 2. Detachable shelf makes it convinient and rational use of space. Even though you tear off the adhesive, the shelf can be recycled and reuse. 3. Unique transparent traceless adhesive design makes it invisible that is perfect for keeping home decoration. Ideal for using it in kitchen, bathrooms and anywhere you like. 4. No drilling, no damage to wall. Just peel off the cover to use. Powerful adhesive ing strong adhesiveness. ONLY stick the adhesive shelf on smooth hard surfaces. Please DON'T stick the shelf on painted walls or wallpapers as it will take off your paint or wallpapers. Please note the adhesive is not reusable. You can purchase more adhesives by searching for the following numbers: B07GDCLCVM 5. SUS 304 Stainless steel material: waterproof and rust protection, ensuring aesthetics and durability.