Built on a 1-inch thick aluminum tubing and angled legs for an extra-wide base and increased stability. The seat itself is made with polyethylene blow-molded plastic, complete with a contoured design, a perineal opening, as well as drainage holes to permit water-flow. The chair is height adjustable in 1-inch increments, with heights ranging from 15 to 20 inches. Each leg is complete with slip-resistant, rubber safety tips at the base. The maximum recommended weight capacity for this chair is 250 lbs.