Overtime High Back Chair, Fabric, Black, 300 lbs. CapacityIdeal for 24 hour application and intensive use Tension, tilt lock, seat height, back height, back angle, seat angle, arms height and width are all adjustable Memory foam top Dual wheel carpet casters included Pneumatic seat height adjustment Colour: Black Material: Fabric Weight Capacity: 300 lbs. Overall Height: 42" Overall Width: 24 1 2" Overall Depth: 26" Manufacturer Part Number: MVL2756 QL10 BLK Adjustable Seat Height: 17" to 21"