Easy to install: No drilling, no nails, no tools, just peel off the protective film from the adhesive. Detachable Design: The shelf can be reused and reused after you take it off the adhesive hooks. Please note that the adhesive is NOT reusable. Durable materials: Premium SUS 304 stainless steel, water and rust resistant. Adhesive: 2 single transparent adhesive with 4 hooks supporting a heavy load.