Kd With Back * Extra Strength Aluminum Will Accomodate Individuals Up To 500 Lbs. * Cross Brace Attached With Aircraft-type Rivets * Blow-molded Bench And Back Provide Comfort And Strength * Drainage Holes In Seat Reduce Slipping * Adjustable Height Legs * Aluminum Frame Is Lightweight Durable And Corrosion Proof * Height: 16 1/2 - 20 1/2 * 20 Width Seat * Limited Lifetime Warranty * Hcpcs Suggested Code: E0240