Sturdy plastic, maroon seat with contoured design to promote good posture. Features ventilation slot for comfort. Molded polypropylene puncture-proof seat with black tubular frame for strength and durability. Easy to clean 17"W x 16"D seat and 16" sq. back. Pneumatic seat height adjustment from 14 to 19-1/4". Five blade caster base. Used, but good condition. Pick up by appointment only -- shipping not available.