Work in comfort on this Boss Budget mesh task chair. The 27-inch black nylon base provides reliable stability, while the breathable mesh fabric and padding deliver comfort and ample airflow to keep you cool. An upright lock ensures optimal back support, and the pneumatic gas lift lets you customize the seat's height. This Boss Budget mesh task chair has hooded double-wheel casters for hassle-free movement. Fabric seat with mesh back provides durability and efficient ventilation. Pneumatic adjustable gas lift for easy height modification. Spring-tilt mechanism lets you easily change body position. Adjustable arm design offers custom comfort. 25" nylon base with double-wheel casters for hassle-free movement. Tested to meet ANSI/BIFMA Performance Standards - Manufacturer testing has been conducted on this product to meet specific performance requirements and safety standards set forth by the American National Standards Institute (ANSI) and the Business and Institutional Furniture Manufacturers.