JOBOON Ergonomic High Back Mesh Office Chair Computer Desk Seat with Adjustable Headrest & Rubber Pu Casters ( Black) Modern designed big and tall mesh office chair for exceptional back support; mesh office chair to prevent body heat and moisture build up. Adjustable tilt tention &seat height to customized your personal comfort. Durable five-star Nylon base with heavy duty Nylon PU casters for stability ; Weight capacity: up to 250 pounds. Mesh seat and premium fabric upholstery to eliminates leg fatigue.Widened seat cushion to make you more comfortable. Meets or exceeds BIFMA standards to guarantee the quality ;Free component-exchange in two years.