Safco Products 7045GR Cava Urth High Back Chair, Gray Cava high-back swivel task chair, 99% recyclable by weight Seat and back manufactured from 100% recycled post-consumer and post-industrial materials Pneumatic seat height adjustment 16"-21"H, 360 degree swivel, tilt, tilt tension and tilt lock Integrated arms Five star base with dual wheel hooded carpet casters