This saddle seat stool from Office Star Products features a self skinned urethane coating that is idea for any lab, office, medical or industrial environment. Other features include seat angle adjustment, pneumatic seat height adjustment, 360 degree swivel and a heavy duty nylon base with stationary floor glides. Additional caster options available for a minimal charge. This stool meets or exceeds ANSI/BIFMA standards. Dimensions: Seat Size: 13.5"W x 9.25"D x 2.5"Thick. Seat Height Adjustment: 22.5" - 32.5"H. Overall: 36.25"H x 27"W x 27"D. Weight: 23 lbs. 15 Year limited warranty from Office Star. This chair normally ships within 2-3 business days from our CA warehouse.