2300 Professional Back Chair with 2-to-1 Synchro Tilt and Mesh Fabric Seat • Thick Padded Contour Seat and Matrex Back with Adjustable Lumbar Support • One Touch Pneumatic Seat Height Adjustment • 2-to-1 Synchro Tilt Control • Height Adjustable Arms with Soft PU Pads • Gunmetal Finish Aluminum Base with Oversized Dual Wheel Carpet Casters Seat Size: . . . . . . . . . . . . . . . . . 20W x 19.5D x 3T Back Size: . . . . . . . . . . . . . . . . . . 22.5W x 25.75H Max. Overall Size: . . . .46.25H x 27.25W x 25.75D Arms Max Inside: . . . . . . . . . . . . . . . . . . . . . . . . 19 Arms to Floor Min: . . . . . . . . . . . . . . . . . . . . . . . 25 Seat Height Min: . . . . . . . . . . . . . . . . . . . . . . .18.5 Seat Travel: . . . . . . . . . . . . . . . . . . . . . . . . . . .4.25 Cube: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5.2 Weight: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 lbs.