Product Features【FOR BOTH GAMER AND OFFICE WORKER】 Winged back provides multi-point body contact to share the pressure, save your spine and lumbar with ergonomic back and massage support. Lean your legs more comfortable with bucket seat design, the side wings frame has been thinned and contains more soft filling. 【STURDY CONSTRUCTION & ECO FRIENDLY MATERIAL】 Alloy frame covered in quality hand sewing PU leather and 10 inches high density foam for comfy. Upgraded LANT gas cylinder and mechanism ensure the use age of the chair. 【INSTALLATION AND AFTER SELL SERVICES】Detail instruction manual included in the package. 24/7 customer services team all for shopping experience. One-month replacement services and 1 year parts quality warranty as promise.