Waterproof drainage hollow design self adhesive shower shelves: Our Adhesive Shower Shelf Organizer is made of durable rust-free Aluminum Anti-rust Material .Waterproof and moisture-proof design withdrainage hollow design to keep it dry quickly even if they get wet Keep Tidy and Clean: Space Saving,make great use of your bathroom space. Shower Shelves large capacity holds daily bathing supplies (like shampoo, conditioner, body wash, and many more). Shower caddy adhesive Bathroom Shower Organizer No Drilling & Easy Install, No Drilling Easy assemble, No drilling and no tool required. Strong adhesive, No falling down. (Note: adhesives stick it on smooth, flat and dry surface to avoid falling off) Suitable for: Adhesive shower shelf is installed on ceramic tiles, glass, Flat smooth wooden walls, marble and solid metal surfaces. DON'T FIT FOR PAINTED WALL, CEMENT WALL, WALLPAPER WALL. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.