Mesh office chairs can keep you more productive throughout your work day with its comfort and ventilated design. The breathable mesh material allows air to circulate to keep you cool while sitting. Finding a comfortable chair is essential when sitting for long periods at a time. The mid-back design offers support to the mid-to-upper back region. The contoured backrest provides firm back support allowing your back to rest comfortably. The locking back angle adjustment lever changes the angle of your torso to reduce disc pressure. The waterfall front seat edge removes pressure from the lower legs and improves circulation. Chair easily swivels 360 degrees to get the maximum use of your workspace without strain. The pneumatic adjustment lever will allow you to easily adjust the seat to your desired height. From behind the desk to the meeting room this chair can provide a seamless addition to your work space. Big & tall. Adjustable. Mobile: True. Infinite-Locking Back Angle Adjustment. Padded Gray Fabric Upholstered Seat. CA117 Fire Retardant Foam. Waterfall Seat promotes healthy blood flow. Seat size: 20"W x 18"D. Back Size: 18.75"W x 17.25"H. Seat Height: 17.500" - 22.500"H. Item Weight 30. Single Unit Weight: 33.08. Dim Single Unit: 24.5"L x 24"W x 16"H. Finish: Black Nylon. Upholstery: Black / Gray Mesh. Material: Fabric, Foam, Mesh, Metal, Plastic. Back Material: Mesh. Seat Material: Fabric. Frame Material: Plastic. Seat Thickness: 3. Degree of Swivel: 360. Weight Capacity: 250. Assembly required: Yes. Warranty: 5 Year Limited (non moving metal parts) 2 yr Parts. Back Color: Gray. Frame Color: Black. Seat Color: Gray. Back Type: Adjustable