Mainstays Ergonomic Mesh Back Task Office Chair with Flip-up Arms, Black Fabric, 275 lbThe Mainstays Ergonomic Mesh Back Office Chair is the perfect chair to get you through your workday. The chair back features a breathable mesh fabric and lower lumbar support panel. The nylon panel contours to your lower back providing a nice lower lumbar support and helping improve posture. Nylon armrests are ergonomically positioned for additional arm support while you type or work. The seat is generously padded with high-density foam that contours to your body and creates a luxurious seating surface. Underneath the chair you will find the pneumatic gas-lift seat-height control that helps with customizing the chair to fit your needs. The durable nylon base is scuff proof and sits atop five dual caster wheels that allow you to move effortlessly around the room. The sleek black fabric and simple, classic look of this chair makes it a great fit in any workspace. Whether you work from home, have a studio for working on your craft or you go into a commercial office space, the Mainstays Ergonomic Task Chair will fit nicely with any room decor and enhance the look of your workspace.Back Type: High BackArms: Flip-upMaterial: Fabric Seat/Mesh BackBase Material: NylonColor: BlackPneumatic gas-lift; Height adjustableDual caster wheels for easy mobility around the roomErgonomically positioned lift-up armrestsFabric upholstery with a breathable mesh backPronounced lumbar supportLoad Capacity: 275 lbsAdjustable Height: 37.5 42.25 inAssembly Details: Minimal Assembly RequiredProduct Dimensions: 24.5 in x 25 in x 37.5 42.25 in (62.2 cm x 63.5 cm x 95.3-107.3 cm)Product Weight 20.28 lbsPackaging dimensions (Packaging Proof) 22.64 in L x 9 in W x 20.5 in HPackaging Weight 24.25 lbsSeat back height 20 inSeat width 18.75 inArm height 26.25 in 31 inSeat back width 16.75 inSeat depth 18 inSeat height 17.25 in 22 inModel# MS53100081252BK