Easy to install: No drilling, no nails, no tools, just peel off the protective film from the adhesive. Removable 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: Best quality SUS 304 stainless steel, water resistant and rust proof. Adhesive: 2 unique transparent adhesive with 4 heavy load bearing hooks. Contents: 1 x shower shelf, 3 x adhesives, 1 x ruler.