【Ergonomic Office Chair】The comfortable office chair with ergonomically designed S-shaped headrest, backrest and lumbar support, you can enjoy this comfortable mesh chair while working, learning and resting. 【Upgraded Quality Material】Surface of backrest and cushion is made of high quality polyester mesh, high elasticity, wear-resistant and breathable. Seat cushion is filled with high density thick sponge, soft and durable. The mesh office chair gives you a cool feeling and a comfortable sitting posture. 【Multi-Adjustable Mechanisms】The KERDOM office chairs can be rotated 360° and the 90° adjustable armrests can save you space. The tilt angle of the backrest is 90°-120°. You can adjust your own viewing angle to play games, watch videos, work and take a nap. 【Safe and reliable】Three-stage steel gas spring and heavy-duty nylon legs with a load capacity of 150 kg. The thickened explosion-proof steel frame is durable. All these details make this office chair usable for longer. The quiet, PU-coated wheels can be easily rotated 360° and are suitable for almost all floors. New other due to damaged box