Era™ Series Adjustable Office ChairMid height mesh back synchro tilter Integrated adjustable lumbar support Seat and arms are height adjustable 4 position tilt lock with tilt tension adjustment Comes standard with carpet casters Material: Fabric Mesh Weight Capacity: 250 lbs. Overall Height: 42" Overall Width: 20 1 2" Overall Depth: 18 1 2" Lowered Overall Height: 37 3 4" Back Height: 21" Weight: 37 lbs. Manufacturer's Warranty: 5 Years Fabric Pattern: 5 Years