The surface is smooth and fine, comfortable to for touch and use, to wash This shower holder features simple and installation, easy to use Usage: There are fastening on both sides, of which is used to fasten the shower rod to adjust the height of the shower rod, and the other is used to adjust the angle of the shower for seat You can use it to adjust the shower for head height conveniently Mainly ABS, it has a long, is sturdy and anti-wear, Manufacturer: Zeiwohndc