This economical Drafting Chair allows you to sit comfortably while the back height and seat depth adjustment capabilities personalize the way you work. Features include a one-touch pneumatic seat height adjustment, a sculptured foam seat and back covered in vinyl. A heavy duty nylon base, and a height adjustable foot ring enhances your posture. Outfitted with dual wheel carpet casters, treat yourself to an office chair that moves smoothly and ergonomically performs affordably. This product has achieved GREENGUARD Certification, meaning it is recognized as an interior product made with materials that have low chemical emissions, improving the quality of the air in which it is used. Incorporated in 1987, Office Star Products has become a leader in commercial office and residential furniture. Office Star Products - Furniture for Your World.