Specifications: TygerClaw Mid Back Microfiber PU Leather Office Chair is very suitable for who need comfort when sitting in office or working station. This office chair comes with multiple functions which provide maximum support, ease and comfort to user. This chair is upholstered in soft and durable Microfiber PU Leather material for better comfort. The seat height can be easily and effectively adjusted by pneumatic gas lift and 360 degree swivel wheels makes this chair more flexible in the working space. With the lumbar support of this chair, you can maintain your natural inward curvature of the lower spine for long working day.