This mesh back drafting chair from Office Star has it all! The maximum breathability of a screen mesh backrest and the durability of a vinyl upholstered, padded seat. Other features include built in lumbar support, height adjustable backrest, seat depth adjustment, adjustable height foot ring with chrome finish, 360-degree swivel, pneumatic seat height adjustment and a heavy duty five star nylon base with dual wheel carpet casters. Additional caster options also available for this model. This mesh back drafting chair meets or exceeds ANSI/BIFMA standards. Dimensions: Seat Size: 19"W x 18.25"D x 3"Thick. Back Size: 18"W x 16.75"H. Seat Height Adjustment: 24.25" - 33.75"H. Overall: 50.25"H x 26"W x 23"D. 15 Year limited warranty from Office Star. This drafting chair normally ships within 2-3 business days from our CA warehouse.