Flex Adhesive Shelf includes non-damaging, waterproof adhesive strips that can be applied on various surfaces such as tiles, concrete, etc. (does not work on porous surfaces). This easy-to-use storage shelf measures 16.25 x 4.6 x 3.4" (41 x 11.7 x 8.6 cm) and holds up to 10 lbs (4.5 kg). Both damage and tool-free, installation is painless. ?? Made from 97% recycled plastic. ? Surfaces must be smooth and clean for mounting. Warning: Surface damage may occur if adhesive mounting is removed from drywall, concrete, wallpaper, and porous surfaces.-Clearing up counter or shower space, Umbra Flex Adhesive Shelf is a modern bathroom shelf that can be used for all types of storage. Easy to install, Flex Adhesive Shelf includes non-damaging, waterproof adhesive strips that can be applied on various surfaces such as tiles, concrete, etc. (does not work on porous surfaces). With space for bottles or bars of soap, this modern bathroom shelf also has two holes for easy razor storage. Rust-proof and with integrated drainage holes, Flex Adhesive Shelf is designed to provide elevated clutter-free storage that lasts. This easy-to-use storage shelf measures 16.25 x 4.6 x 3.4" (41 x 11.7 x 8.6 cm) and holds up to 10 lbs (4.5 kg). Both damage and tool-free, installation is painless. ?? Made from 97% recycled plastic. ? Non-Damaging Adhesive Installation: Completely non-damaging to your tiled walls. Includes a strong adhesive backing that can be applied on various surfaces such as tiles, drywall, concrete, etc. Surfaces must be smooth and clean for mounting. Warning: Surface damage may occur if adhesive mounting is removed from drywall, concrete, wallpaper, and porous surfaces.