This contemporary executive mesh office chair from OFM features a screen mesh backrest for ultimate temperature control and support. Other features include a molded foam ComfySeat(TM) with stain-resistant mesh fabric upholstery, pneumatic seat height adjustment, seat tilt with tilt tension adjustment, back height adjustment, front tilt and lock back adjustment, adjustable height and width arms, built-in lumbar support and a five star base with standard dual wheel casters. Optional headrest available for a minimal charge. Additional caster options include glides (keep the chair stationary) or hard floor casters. Meets or exceeds ANSI/BIFMA standards. Dimensions: Seat Size: 20.25"W x 20"D. Back Size: 19.25"W x 18.5"H. Limited lifetime warranty from OFM. This executive mesh office chair normally ships within 1-2 business days from our NC warehouse.