<b>Basic Parameter of the Mesh Office Chair :</b> <br> <br>Net Weight: 20.5lbs <br>Seat Size: 20.7''W x 19.7''D (52.5 x 50cm) <br>Seat Thickness: 3'' (7.5cm) <br>Back Size: 19.7''W x 18.5''H (50 x 47cm) <br>Seat Height from Floor: 16.9 - 20.9''H (43 - 53cm) <br>Base diameter: 25.1'' (64cm) <br>Overall Height: 33.7-37.6''H (85.5 - 95.5cm) <br>Weight Capacity: 275 lbs <br> <br>Attention: All dimensions are measured manually, please allow the deviation of 1 inch. <br> <br> <b>Features of the Mesh Office Chair:</b> <br> <br>Ergonomic Ventilated Mesh Back: <br>Featuring a breathable mesh back <br>American made mesh with high density, non-deformable <br>Strong elastic mesh back provides enough support for your lower back during working time <br> <br>Comfortable Seat Padded with Thick Sponge: <br>Cushion compromised of high resilience foam, making sitting for long periods of time easy and comfortable <br>Larger seat size give you more space and flexibility, making you more productivity <br>Seat covered by a high density mesh cloth, long lifetime, not easy to deform. <br> <br>Rocking Mechanism <br>Pull out the lever to activate the rocking motion mechanism <br>Pull in to lock in an upright position <br>Attention: This mesh office chair can be only locked in upright position, not in any other tilt angle. <br> <br>Sturdy Nylon Base and Dual Casters <br>The nylon casters provide great mobility, without noisy and no scratches left on the floor. The sturdy nylon base can bear the maximum capacity up to 2750lbs, and the office chair to 275lbs.