Mesh task chair offers life from a new perspective - one of comfort, performance and design. The ultimate in task seating, the Vue Intensive-use Mesh Task Chair is rated for 24/7 use. Nylon mesh back offers ample support and ergonomic shaping to provide all-day comfort and prevent fatigue. The breathability of the mesh keeps you cool and comfortable throughout every workday - no matter how many hours you put in. Black vinyl seat is easy to clean. Functions include back tilt lock, pneumatic seat-height adjustment from 17-1/2"" to 20-1/2"", back-height adjustment from 14"" to 17-1/2"", and 360-degree swivel. Task chair also features a weight capacity of 500 lb., five-star base and 2-1/2"" diameter, dual-wheel carpet casters. Seat size is 20-1/2"" wide x 20"" deep. Back measures 18-3/4"" wide. Arms are not included.