This drafting chair from Safco features ergonomically supportive cushions, overstuffed with two-ply foam on both the seat and backrest for maximum comfort. Other features include commercial grade stain resistant upholstery, height adjustable backrest, built-in lumbar support, pneumatic seat-height adjustment, 360-degree swivel, waterfall seat edge for improved circulation and a durable nylon five-star base with dual-wheel carpet casters. Additional caster options available. Adjustable T-shape arms also available for this model. Meets or exceeds ANSI/BIFMA standards. Limited lifetime warranty from SAFCO. Normally ships in 1-2 business days. Dimensions: Seat Size: 20.5"W x 19"D. Back Size: 18.5"W x 19"H. Seat Height Adjustment: 22" - 32"H. Weight: 28 lbs. This chair normally ships within 2-3 business days.