Sales Point1:High-density rebound sponge, made of environmentally friendly materials, with strong reboundSales Point2:Double-layer sponge wrapping with high quality PU leather, providing strong wear-resistanceSales Point3:high elasticity and good touch;lacquered armrests + PU soft package;Sales Point4:90°-135°backrest tilting;nylon five-star feet,hydrostatic bearing;Sales Point5:Silent and smooth nylon wheels, wear-resistance;