No drilling with a powerful nail-free sticker or traditional drilling with screws set. Before sticking it, make sure the surface is clean and dry. Leave it 24 hours before use. And before fixing, please make sure the angle of the corner is 90°. The drain hole design makes the shelf dry easily. Designed to use in the shower room. The modern design of a high border frame surrounded by all sides prevents shower necessities from falling down. All are made of 6063 space aluminium. Build to resist daily scratches, corrosion, and tarnishing, ensuring quality and longevity. Unlike glass panels, it does not leave water stains, or dust and is easier to clean. Finish: Silver