Bring flexible style to your work space with this Flex Back Task Chair. The flexible plastic back delivers both comfort and support with back tilt and tilt lock. Armrests adjust 3" in height - from 7" to 10" above the seat - for the best positioning. Arms are covered in thermoplastic polyurethane that resists impacts, abrasions and tears. Other comfort functions include pneumatic seat-height adjustment from 17-1/2" to 22", 360-degree swivel and tilt tension. The fabric-upholstered seat has a 2-1/2" cushion and measures 18-1/2" wide x 17-1/2" deep. Back size is 19" wide x 17-1/2" high. 26" diameter five-star nylon base is equipped with 2-1/2" dual-wheel casters for easy chair movement. Weight capacity is 250 lb.