Manhattan Comfort Lenox Collection Mesh Back Height Adjustable Comfortable Office Desk Chair, Black Comfortable and Elegant, This Ergonomic Office Chair with Wheels Measures 28.5" L x 26.5" D x 43.5" H and Has a Weight Capacity of 240 Lbs. This Ergonomic Office Swivel Chair Features Breathable Mesh Back That Allows for Air Flow and Keeps Your Back Cool, Comfortable and Dry for Hours Constructed with Heavy Duty Nylon Baking Vanish Base this Office Desk Chair Sits on Caster Wheels for Easy Mobility Under Your Desk. Nylon Mesh Fabric with High Density Soft Foam Padding Offers Unbelievable Comfort Day in and Day out Featuring a Pneumatic Height Adjustment Lever Directly Under the Seat Cushion on this Swivel Office Chair Allows to Easily Adjust Your Seat Position with Just The Push of the Lever. Tilt Tension and Tilt Lock Allows you to Relax Comfortably When Not in Work Mode Manhattan Comfort Has Been In The Forefront of Providing Its Customers With Ergonomic Office Chairs That Boasts Sleek and Comfortable Styles for Your Office Needs