24-Hour High-Performance Task Chair, Acrylic/Poly Blend Fabric, BlackDesigned for durability during intensive use by individuals up to 300 lbs. Inflatable lumbar pump for personalized back support. High-density memory foam seat with heavy-duty mechanical control allows hours of comfortable, continuous work. Five-star base has casters for easy mobility. Five-star base has casters for easy mobility. Recommended Applications: General Office & Task; Speciality--Big & Tall, 24/7; Seat/Back Color(s): Black; Features & Functions: 360 Swivel; Back Height Adjustment; Integral Lumbar Support; Pneumatic Seat Height Adjustment; Tilt; Tilt Tension; Arms Included: No. High-density foam seat with heavy-duty mechanical control. Integral lumbar support for comfort. This supplier will be closed on 11/24, 11/25, 12/23, 12/26, 1/2 for the holidays. The shipping cut off is UPS"s cut off of 12/15 to try and have the products delivered by Christmas.