The Economic Drafting Chair allows you to sit comfortably while the back height and seat depth adjustment capabilities personalize the way you work. Features include pneumatic seat height adjustment, a vinyl seat and back. 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. Please note: orders of 4 or more chairs will ship with a freight carrier, and are not traceable via UPS. Please allow 10 days before contacting Overstock.com regarding any freight carrier shipping concerns.