Office Star Ergonomically Designed Knee Chair with Casters Memory Foam and 5 Star Base Black

Ergonomic knee chairwork smart series overall height 22-1/2 in overall width 17 in overall depth 13-3/4 in. Seat width 17 in seat depth 13-3/4 in. Color blackseat material fabric cushion thickness 3-1/2 in seat height range 18-1/2 to 23 in weight capacity 200 lb. Caster type carpetincludes casters.