This ergonomic chair resembles the look of a conventional task chair, but with the inclusion of a kneeling pad. You'll be able to regain your body's natural posture with this ergonomic kneeling chair with included back. Kneeling chairs sit you in a position to allow your diaphragm to move efficiently and promote better breathing and blood 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. This chair can be used as a permanent office chair or used in conjunction with a conventional task or executive office chair. WL-1430-GG Color Black Finish Black Powder Coat Upholstery Black Fabric Made of Fabric, Foam, Metal, Plastic Ergonomic Design Black Fabric Upholstery Padded Seat and Knee Rest Knee Rest Pad 15.5''W x 11.5''D x 2.5'' Thick Pneumatic Seat Height Adjustment Heavy Duty Nylon Base Dual Wheel Casters CA117 Fire Retardant Foam Made In Taiwan TAA Compliant Capacity 250 lbs. Some Assembly Required Warranty Info 2 yr Parts Overall Dimensions 26 W x 31 D x 38 42 H Seat Dimensions 17 W x 13 D Back Dimensions 15.50 W x 17.50 H Seat Height 20 24 H