【Superior Materials】Adopted the high-quality material, this armchair has a long service life and sturdy construction with a maximum weight capacity of 136kg/300lb. High-density foam padded the seat and back, which is soft and does not easily cause deformation. Make our functional chair bring you a comfortable sitting experience. 【Adjustable Height】To ensure your safety at every height, this gas lift office chair is built with an SGS-certified pneumatic cylinder. You can use the adjustment lever under the seat to elevate the seat freely within the range of 45.5-55.3cm from the ground. 【Wide Usage】With its pretty appearance and wide utility, our office chair can be used not only for home use but also for business use.