Height adjustable chair made by Drive Medical. Aluminum frame with molded seat and backrest. Chair is made to straddle tub side so user can sit down and swing legs over into tub. Excellent for people with balance issues or difficulty stepping over tub side. Reversible to accommodate any bathroom. Rated at 400 lbs capacity. Check specs at http://www.drivemedical.com/index.php/transfer-tub-bench-255.html. Smaller one in picture is sold.