This rolling office stool from Safco features a stylish, breathable mesh fabric seat and mesh fabric backrest that helps regulate body temperature for added comfort. Other features include 360-degree swivel, ring lift pneumatic seat-height adjustment that allows for easy adjustment access regardless of seat position, 24" five-star base with brilliant chrome finish and dual wheel carpet casters with hoods for easy mobility. Fixed position T-shape arms also available for this model. Dimensions: Seat Size: 17"D. Seat Height Adjustment: 17.5" - 23"H. Overall: 27"H x 23.75"W x 23.75"D. Weight: 28 lbs. Limited lifetime warranty from SAFCO. This chair normally ships within 2-3 business days from warehouse locations nationwide.