Flash Furniture Porter High Back Black Mesh Ergonomic Swivel Office Chair with Black Frame and Flip-up Arms

100% Polyester | Experience the comfort that you've been missing in your current office chair on this ergonomic swivel office chair for your home or professional office. This chair is an excellent choice for the executive and wage-earners. | [_Our chair conforms to ANSI/BIFMA standard X5.1-17_] Contemporary executive chair offers superior comfort | Ventilated curved back provides lumbar support and breathability | Tilt lever - push in to lock in an upright position; pullout to activate rocking motion, while tilt tension knob controls tilt resistance | PRODUCT MEASUREMENTS: Overall Size: 26.5"W x 26.5"D x 40.25-44"H; Seat Size: 20"W x 20.5"D x 18.5-22.5"H; Back Size: 19"W x 23"H; Arm Size: 26-30"H from floor; 7.5"H from seat