Material: the hanging shelf and screws are made of high-quality SUS 304 stainless steel to ensure durability and service life, corrosion-resistant and rust-proof, easy to clean, suitable for damp places, such as shower, kitchen and bathroom. 2 installation methods: on the one hand, mount the shower shelf for hanging with glue, quick and easy, without drilling, without damaging the wall. In addition, use auxiliary stickers to fix it, please wait until the adhesive is dry before using the bathroom wall shelf (72 hours). The other is to install the screws and dowels. Large capacity shower shelf: the bathroom shelf without drilling can be placed with shampoo, skin care products, toothbrush cups and other bathroom accessories. Size: 30 x 10 x 5.8 cm. After many experiments and tests, this is the most suitable size. Package includes: bathroom wall shelf x 1, adhesive x 1, hardware package (for screw mounting) x 1, installation instructions x 1. (Note: No double-sided tape) If the accessories you received cannot be used, please contact us for a replacement.