Black Mesh Mid-Back Task Office Chair With A Pivoting Back From Flash Furniture. Tackle the workday with any challenge that comes your way on this snazzy desk chair. The cooling designer back features mesh material for exceptional airflow combined with gentle curved lumbar support. Our Fundamental Task Chair will make an impressive footprint in your office with its cutting edge structure. The innovate back pivots backward while leaning back for a comfortable resting period. Adjust your office desk chair with the pneumatic adjustment lever that controls the height of your seat. Effectively switch between tasks with 360 degrees of swivel motion. Providing exceptional value for today's modern office, our Fundamental Seating will afford you the opportunity to purchase seating for students and small businesses. Brimming in style our Fundamental Mesh Desk Chair is full of character with a pivoting back. No knob turning to implement the pivot back, push back to relax. [_Our chair conforms to ANSI/BIFMA standard X5.1-17_] Modern Design: inventive pivot back, mid-back with lumbar support Mesh comfort: designer ventilated back provides maximum breathability Pneumatic seat height lever, dual-wheel casters.PRODUCT MEASUREMENTS: Overall Size: 23"W x 23"D x 31.5-36.25"H; Seat Size: 17"W x 16.75"D x 16-20.5"H; Back Size: 16"W x 16.5"H Note : To ensure proper assembly, please follow all steps provided in the User manual (provided in pdf below)