Material: the hanging shelf and screws are made of premium SUS 304 stainless steel to ensure durability and service life, corrosion and rust resistant, easy to clean, suitable for damp locations , like the shower, the kitchen and the bathroom. 2 installation methods: on the one hand, mount the hanging shower shelf with glue, quickly and easily, without drilling the wall. Also use auxiliary stickers, please wait until the glue is dry before using a bathroom wall shelf (72 hours). The other inside, install the screws and dowels. Shower shelf with large capacity: The no-drilling bath tray can be placed with shampoo, skin care products, toothbrush cups and other bath accessories. Dimensions: 30 x 10 x 5.8 cm. After many experiments and tests, this is the most suitable size. Scope of delivery: bathroom wall shelf x 1, glue x 1, hardware package (for screw mounting) x 1, installation manual x 1. (Note: no double-sided tape) .