Ergonomic with contoured back. Padded upholstered seat. Built-In lumbar support. Tilt lock mechanism. Tilt tension adjustment knob. Swivel seat. Stitch accent on seat and arms in white. Weight capacity: 250 lbs.. Warranty: Two years limited. Made from foam and steel. Assembly required. Seat: 21 in. W x 20 in. D x 17.5 in. - 21.75 in. H. Overall: 25.75 in. W x 25 in. D x 37.5 in. - 41.25 in. H (34.35 lbs.).