kolliee mid back mesh office chair ergonomic swivel black mesh computer chair flip up arms with lumbar support adjustable height task chair kolliee <b>mesh office chair dimension : </b> <br> <br> total chair height (including chair back height): 34.6"- 38.6" (88-98cm) <br> height from chair cushion to floor: 16.5" - 20.5" (42-52cm) <br> adjustable height: 4 inch (10cm) <br> <br> chair back height: 19.7 inch (50cm) <br> chair back width: 17.3 inch (44cm) <br> <br> cushion width: 18.5 inch (47cm) <br> cushion length: 19.7 inch (50cm) <br> cushion thickness: 2.8 inch (7cm) <br> <br> note: there are more size information on the picture in this listing, please check it if you need. <b>features of the mesh office chair : </b><br> <br>--- 360 degree swivel <br>---adjustable pneumatic height mechanism <br>---flip up armrest <br>---tilt mesh back (slightly tilt about 30 degrees) <br>---360¡ã swivel casters <br> <b> superior quality mesh office chair : </b><br><br> <b> high quality materials: </b><br> <br>---high resilience foam cushion: <br> long service life, non-deformation, more comfortable; <br> comfortable and thicken padded seat cushion offers for all-day comfort; <br>compared with the low cost chip foam cushion, our high resilience foam cushion is more comfortable and durable that built to last. <br> <br>---high density mesh: <br> american-made mesh; <br> breathable, durable, were resistant, not easy to deform <br> black mesh covers both the padded seat of the chair, as well as the back of the chair. <br> this superior quality mesh offers good breathability, comforts and enhances the back support which is not easy to deform. <br> <b> ergonomic designed mesh office chair with good back support</b><br>