VIVA Office Mesh Chair Ergonomic High Back Chair With Adjustable Headrest And Armrest (Viva1168F1) Contemporary mesh high back home & office chair, designed to provide exceptional back support and reducet body heat and moisture build up Simple control handle allows adjustment of the back angle, back tilt lock and seat hight adjustment Awesome tilt tension control and synchro tilt mechanism with tilt lock allows for stable movement Mesh seat with premium fabric upholstery eliminates leg fatigue. High quality nylon base and nylon casters for stable and silent movement Max weight capacity 250 lbs, easy to assemble, one-year free component exchange