Elastic Cushions: The chair is thick sponges padded from its back, seat to armrests, the sponge has good elastic and high density quality and is covered by soft PU leathers, which offers comfy sitting experiences all the day and allows good air ventilation. Classic Design: It has classic grains design with each part heavy cushioned, offers you a comfortable seat and ergonomic support to the back, lumbar, butt and thigh. The chair design is suitable for offices, computer desks, home offices, and it would fit almost any decors. Pneumatic Height Adjusting: The chair is pneumatic seat-height adjustable, the gas lift is qualified and lab certified for safer and more assuring use. The chair base is BIFMA passed and can bear 250lbs weight.