Material: The hanger and screws are made of high-quality SUS 304 stainless steel to ensure durability and longevity, corrosion resistance, rust resistance, and easy cleaning. It is suitable for humid areas such as showers, kitchens, and bathrooms. Installation method: 1. Use glue to install the shower caddy (no glue required). This is quick and convenient, requires no drilling, and does not damage the wall. 2. Use the included adhesive strips. Wait 72 hours for the glue to dry before using the shower caddy. A mounting screw and a plug are also included. Large capacity shower caddy: This drill-free bathroom caddy can hold bathroom accessories such as shampoo, skincare products, toothbrush cups, etc. Dimensions: 30 x 10.5 x 6 cm. After many trials and tests, this size has been determined to be the most suitable. Package contents: 1 x bathroom wall shelf, 1 x hardware kit (for screw installation) (note: no double-sided tape). 1. Rounded corners prevent scratches and protect your hands; black finish reduces safety hazards. 2. The shower shelf is made of high-quality SUS 304 stainless steel, resistant to corrosion and rust, and easy to clean. You can be sure that the shower shelf is safe to use in your bathroom. 3. The shower caddy can organize shampoo, shower gel, etc., freeing up counter space, and the raised design of the guide panel also prevents these toiletries from falling.