VIVA OFFICE Diamond Pattern High Back Bonded Leather Office Executive Chair Adjustable Armrest, Black Fashionable diamond pattern bonded leather executive chair with pneumatic seat height adjustment and excellent lumbar support. Thick padded seat cushion gives great sitting experience. Adjustable armrest, Sturdy Aluminium base and high quality Nylon casters added to office working flexibility. Synchro tilt mechanism makes the user more comfortable during work hours. Weight capacity is 250 pounds. Easy assembly upon arrival. We provide free component-exchange in 12 months.