<b>Basic Parameter of the Mesh Office Chair :</b> <br> <br>Shipping Weight: 29.45 lbs <br>Seat Size: 20.9''W x 19.7''D (53 x 50cm) <br>Seat Thickness: 2.9'' (7.3cm) <br>Back Size: 19.7''W x 22.8''H (50 x 58cm) <br>Seat Height from Floor: 13.4 - 19.3''H (39 - 49cm) <br>Arm Height From Floor: 24.8-28.74''H (63 - 73cm) <br>Arm Height From Seat: 8.27''H (21cm) <br>Base Size: 24.8W x 24.8D (63 x 63cm) <br>Overall Width: 24.8''W (63cm) <br>Overall Depth: 24.8''D (63cm) <br>Overall Height: 38.19-42.13''H (97 - 107cm) <br>Weight Capacity: 300 lbs <br> <b>Note: All dimensions are measured manually, please allow the deviation of one inch.</b> <br> <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>Built-in lumbar support, provide enough support for your lower back during working time <br> <br>Padded Flip-Up Arms: <br>Padded with a small sponge, offering more comfort for arms <br>Covered by a mesh cloth with long life <br> <br>Waterfall Seat with Thick Sponge: <br>The slight downward curve to this waterfall seat edge, taking pressure off your legs, improving circulation <br>Padded a thick cushion, high resilience, comfortable and durable <br>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> <br>Sturdy Nylon Base and Dual Casters <br>The nylon casters provide great mobility, without noisy and no scratches left on the floor. <br>The sturdy nylon base can bear the maximum capacity up to 3000lbs, and the office chair to 300lbs.