OFM Stars Swivel Chair with Arms, Plum Ergonomic comfort: triple-curve design and built-in lumbar support 25" D x 25" W x 33.75 - 37.5" H Made of high Quality material The OFM stars Series fabric task chair is an ideal choice for the office, school or healthcare facility. The back features a triple curve, extra thick design that provides built-in lumbar support. Simple and intuitive controls for seat and arm Height adjustment plus a 360 degree swivel allow for customized comfort. The long-lasting, stain-resistant fabric seat cushion is replaceable when it's time to update decor or change colors. A durable 25" steel 5 star base supports a steel frame with a silver powder-coated paint finish that will stand up to heavy use. This 326-AA3-2214-OFM meets or exceeds industry standards for safety and durability, and is backed by OFM limited lifetime warranty. The OFM stars Series fabric task chair is an ideal choice for the office, school or healthcare facility. The back features a triple curve, extra thick design that provides built-in lumbar support. Simple and intuitive controls for seat and arm Height adjustment plus a 360 degree swivel allow for customized comfort. The long-lasting, stain-resistant fabric seat cushion is replaceable when it's time to update decor or change colors. A durable 25" steel 5 star base supports a steel frame with a silver powder-coated paint finish that will stand up to heavy use. This 326-AA3-2214-OFM meets or exceeds industry standards for safety and durability, and is backed by OFM limited lifetime warranty.