VIVA OFFICE High Back Double Padded Tall Bonded Leather Office Chair Deluxe ergonomic high back double padded bonded leather office chair with soft spring pack padding provides the ultimate comfort Pneumatic controls on the two sides let you raise or lower your seat and rock back in your chair, pneumatic height adjustment range from 19.3 to 23.2 inch, meets the requirement of high chairs The super breathable perforated mesh and leather upholstery with thick padded seat offer extra comfortable in your working time High quality Nylon base and Nylon casters for stability and mobility Product dimension:31.3 x 28 x 18.8 inches, weight capacity: 250 pounds. We provide free component-exchange in 12 months.