Flash Furniture Mobile Ergonomic Kneeling Chair with Silver Frame in Black Fabric Ergonomic Design Black Fabric Upholstery Padded Seat and Knee Rest Knee Rest Pad: 16''W x 11.75''D x 2.5'' Thick Pneumatic Seat Height Adjustment Silver Powder Coated Steel Frame Dual Wheel Casters CA117 Fire Retardant Foam Made In Taiwan TAA Compliant