Regain your body's natural posture with this ergonomic kneeling chair. The open angled position encourages a healthier positioning for your body which relieves your spine of the compression when sitting in a office chair. Kneeling chairs sit you in a position to allow your diaphragm to move efficiently and promote better breathing and blood circulation. The frame is height adjustable to get into your preferred seat height. Use as your permanent office chair or to take a break from your conventional chair. WL-SB-101-GG Color Gray Finish Natural Wood Upholstery Gray Fabric Made of Fabric, Foam, Metal, Plastic, Wood Ergonomic Design Gray Fabric Upholstery Padded Seat and Knee Rest Knee Rest Pad 17.75''W x 9.75''D x 2.5'' Thick Height Adjustment Frame Natural Wood Frame Finish 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 18 W x 24 D x 20 26 H Seat Dimensions 16 W x 12 D Seat Height 19 25 H