It is mounted with dowel-screw. mounting tools are available in the package. it is a special thermoplastic coating. it is resistant to rust and spillage. matte grainy paint. easy and fast assembly. ergonomic and functional design. long towel holder size 40cm. product size with black corner is width 30 cm, height 47 cm, the bottom shelf is 23 cm and the upper shelf is 17 cm. width between two screws 14cm Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.