VIVA OFFICE High Back Bonded Leather Executive Chair with Adjustable Backrest and Armrest High back bonded leather ergonomic office chair with extra thick padding provides the ultimate comfort Triple Paddle Control Mechanism allows back angle adjustment, back tilt lock and seat height adjustment for extra relaxation Waterfall seat design eliminates leg fatigue and the human-oriented design creates a relaxing environment for your working time Adjustable armrest and tilt tension, high quality nylon base and nylon casters added to office working flexibility Weight capacity is 250 pounds, Easy assembly upon arrival. We provide free component-exchange in one year