Really Big Seatback-23.6" High & 19.7" Wide Back Frame is Big Enough for head, neck and shoulder movement, covered with high density strength mesh which allows air circulation all year round.
Synchro Mechanism-The seat can be adjusted up and down. The back and seat angle together can be fixed in 3 positions. Use the knob means that the tilt tension can be adjusted to suit your body weight.
Fully Adjustable-Headrest & Lumbar Cushion - Adjustable headrest& lumbar cushion allow for all-day comfort.
High Quality-Designed and tested for use in homes and offices, perfect for a executive desk. (Recommended Weight 250 Lbs, Maximum capacity:350Lbs)