Flash Furniture Mid Back Black Mesh Swivel Task Chair with Mesh Padded Seat and Flip Up Arms Overall Dimensions: 24.5''W x 25.5''D x 37.5 - 41.25''H. Weight Capacity: 250 lbs. Arm Height From Floor: 26.25 - 30.25"H. Arm Height From Seat: 8.5"H. Seat Size: 20.25"W x 19"D x 17.25 - 20.75"H. Back Size: 17" - 20"W x 23"H. Waterfall Seat promotes healthy blood flow. Fabric: Black Mesh.