Cubiko includes non-damaging, waterproof adhesive strips that can be applied on various surfaces such as tiles, drywall, concrete, etc. (does not work on porous surfaces). Each bin has a max load of 10 lbs (4.5 kg) and is made of rust-free metal. This shower bin is made with an eco-friendlier finish. It produces 85% less water and solid waste than traditional electroplating finishes. 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.-Add elevated storage to your bath or shower space with Cubiko Shower Bins. These non-damaging shower nested storage caddies have a modern, bent-wire design, making them easy to integrate with a variety of decor styles. Easy to install, Cubiko includes non-damaging, waterproof adhesive strips that can be applied on various surfaces such as tiles, drywall, concrete, etc. (does not work on porous surfaces). Each bin has a max load of 10 lbs (4.5 kg) and is made of rust-free metal. Includes two metal hooks to hold loofahs, small towels, and more. This shower bin is made with an eco-friendlier finish. It produces 85% less water and solid waste than traditional electroplating finishes. ? Non-Damaging Adhesive Installation: Completely non-damaging to your tiled walls. Cubiko 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.