Flash Furniture Mobile Wooden Ergonomic Kneeling Chair in Black Fabric Ergonomic Design Black Fabric Upholstery Padded Seat and Knee Rest Knee Rest Pad: 17.75''W x 9.75''D x 2.75'' Thick Height Adjustment Frame Natural Wood Frame Finish Dual Wheel Casters CA117 Fire Retardant Foam Made In Taiwan TAA Compliant