Features: High-density sponge filling; More comfortable PU casters with anti-slip mat,increases the convenience of movement. Premium gas lift&castors equipped; More durable&stable product Specification : - Color: Gray , Brown - Chair Material: PU+PVC, Sponge, Nylon,Metal - Net Weight: 15.1KG - The Maximum Bearing Weight: 250lb - Overall Chair Height: 120-130CM - Backrest Height: 85CM - Seat Dimension：50x50CM - The Height from Seat Surface to Ground: 44-54CM - The Height from Seat Surface to Armrest Surface: 20CM - Armrests:Fixed - Five-star foot Diameter:70CM - Package Dimension: 88x29x64CM - Overall Tilt Angle: 40° Delivery content: 1 x Office Desk Chairs 1 x Installation manual Note: 1.Due to different measurement methods, the measurement error of 1-2 cm is a reasonable range. 2.If you have any questions, please feel free to contact us, we promise to get back to you as soon as possible, and give you a satisfactory solution.Find answers in product info, Q&As, reviews