This criss cross chair lets you sit cross legged or curled up comfortably. The curved seat and backrest relieve pressure while delivering strong lumbar support. Thickened high rebound sponge and soft checkered fabric fit the spine curve, reducing fatigue and boosting efficiency. It has a 27 inch five star base with silent wheels, a black painted base that resists scratches and rust, and a Class 3 gas lift holding 300 lbs. Height adjustable, 360 degree swivel, and tilt tension control. Easy assembly in minutes with included tools. Fits under a desk when not in use. Perfect for offices, bedrooms, and studies.