Back Type: High Back Arms: Flip-up Material: Fabric Seat/Mesh Back Base Material: Nylon Color: Black Pneumatic gas-lift; Height adjustable Dual caster wheels for easy mobility around the room Ergonomically positioned lift-up armrests Fabric upholstery with a breathable mesh back Pronounced lumbar support Load Capacity: 275 lbs Adjustable Height: 37.5 - 42.25 in Assembly Details: Minimal Assembly Required Product 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 lbs Packaging dimensions (Packaging Proof) 22.64 in L x 9 in W x 20.5 in H Packaging Weight 24.25 lbs Seat back height 20 in Seat width 18.75 in Arm height 26.25 in - 31 in Seat back width 16.75 in Seat depth 18 in Seat height 17.25 in - 22 in Model# MS53100081252BK