Specifications Color: Black/ Grey Material: PP, nylon, metal, mesh Overall dimension: 27" x 27" x 45"- 49" (L x W x H) Adjustable seat height/armrest: 4" Adjustable lumbar support/headrest: 2.5" Rotatable headrest: 0-60 degree Net weight: 34 lbs Weight capacity: 250 lbs Package includes: 1 x Mesh office chair 1 x User guide Key Features ● Height Adjustable Mesh office chair: The executive mesh office chair features ultra wide seat 20 inches, and the height of the seat can be adjusted from 18.5 inches to 22.5 inches. Meanwhile, this executive chair designed with headrest and adjustable lumbar support, which is more ergonomic. ● Ergonomic Office Chair with Reclining Backrest: It takes less time to find the most comfortable Angle you like, benefiting from the rocking backrest. Moreover, this back support desk chair designed with 3 lockable Angles (90, 120, 130 degree) allow for free switch between working, relaxing and sleeping modes. ● Mesh Chair with Upgraded Gas Lift: The high-density mesh is resistant to abrasion for long-term use. Full mesh seat and backrest promote air flow. Besides, upgraded class-4 gas lift and reinforced base are all in one chair, enhancing the stability as well as safety to higher level. ● Mesh Task Chair with Clothes Hanger and Flexible Casters: The mesh executive chair is equipped with a clothes hanger, it effectively prevents your apparel from wrinkle, bringing much convenience in your daily life. And 5 smooth rolling wheels, ensuring a quieter movement and causing less damage to the floor. ● Home Office Desk Chair: The high back ergonomic chair perfectly conforms to your body curve, which is specially designed for office workers sitting for extended period of time. Extremely alleviate back pain and reduce the tiredness of your body.