Provides safe and comfortable bathing and showering ? Height adjustable with a sturdy durable aluminum frame ? Seat height is adjustable in 1 increments from 16 -21 ? Seat dimensions: 13-1/2 x 16 ? Supports up to 350 lb. ? Nonslip feet secures bench to the tub ? Rust resistant and easy to clean ? Lightweight tool-free assembly ? Available with or without backrest