The Vinyl Anti Bacterial Chair is perfect for healthcare facilties and schools. The vinyl covering is easy to maintain in high-use environments. The anti-bacterial, anti-microbial vinyl covering is great for keeping rooms germ-free! Features: 7 position adjustable height arms Built-in lumbar support Back support adjustment (tilts) Back height adjustment Gas lift seat height adjustment Anti-bacterial, anti-microbial vinyl 3" thick vinyl padded seat Meets or exceeds ANSI/BIFMA safety standards 250 lbs. weight capacity Dimensions: Seat size: 19.5"W x 20"D Back size: 17.5"W x 19"H Seat height: 18" - 22" Overall height: 37.5" - 42" Overall width: 25" Overall depth: 24" Base size: 5 Star - 23"