TygerClaw Executive High Back PU Leather Office Chair is very suitable for those who need comfort when sitting in the office or workstation. This office chair comes with multiple features that provide maximum ease of support and comfort to the user. This chair is upholstered in soft, durable faux leather material for added 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 workspace. Maintain your natural inner lower spine curvature for the long work day Features. Upholstered in soft and durable smooth black polyurethane PU PolyVinyl ChloridePVC Mesh. Built in lumbar support to maintain proper sitting posture. Butterfly mechanism. Height adjustment by gas lift100mm gaslift. Flexible nylon cross foot with 5 double safety wheels. 320mm nylon base. The 360-degree swivel wheel and chair can work smoothly on the floor. Excellent for office workstation and cubic area Specifications. Color Black Blue. Insulation height 49 59cm Backrest height 85cm Insulation width 20.9 inches. Insulation depth 20.5 in. Height: 315 inches. Weight 3527 lbs