The Star's series drafting chair from OFM features a contoured, triple curve padded seat cushion for added comfort available in your choice of (16) different stain resistant fabric's. Other features include curved backrest with built in lumbar support and ventilation holes, removable seat cushion for easy cleaning, 360-degree swivel, pneumatic seat height adjustment, adjustable height footring and a five star angled spider base with silver finish and dual wheel casters. Additional caster options available. Optional height adjustable arms available for a minimal charge. This drafting chair meets or exceeds ANSI/BIFMA standards. Dimensions: Seat Size: 18.5"W x 17.5"D. Back Size: 19"W x 16"H. Seat Height Adjusts From: 26" - 30" or 29" - 33"H. Overall: 41.75 -45"H x 23"W x 22.5"D. Limited lifetime warranty from OFM. This drafting chair normally ships in 1-2 business days from our NC warehouse.