This shower seat rotates 360°, so getting in and out of your tub is easier. Once you're in the shower, effortlessly turn to wash any part of body without excess bending or twisting. The Swiveling Shower Seat's compact design is height adjustable from 18" to 20", yet fits comfortably into most showers and tubs. Seat has a shelf underneath to keep necessities within easy reach. 16" diameter.