Specifications Color Black Material Mesh, Sponge, PP Product Dimensions 25" x 22.5" x 34"-37.5" Size of Backrest 16" x 17.5" Length of Armrests 22.5" Height of Armrests 23.5"-27" Seat Size 20" x 19.5" x 4" Height Range of Seat 18"-21.5" Weight Capacity 275 lbs Net Weight 19.5 lbs Is Assembly Required Yes Box Qty 1 (May vary by batch) Key Feature • Ergonomic Office Chair: Designed with comfort in mind, the mid-back mesh office chair provides exceptional support to the lower back with its thoughtful lumbar support. Ideal for long hours at the desk, this chair helps reduce fatigue and stress on the body, making it a perfect choice for professionals who prioritize coziness. • Optimal Seating Experience: Designed with a sponge-filled elastic seat and contoured backrest, the ergonomic computer chair offers unparalleled comfort and molds perfectly to your body's natural contours, enhancing your work productivity by promoting a more comfortable and focused working environment. • Height Adjustable Design: Equipped with a user-friendly tension adjustment knob, lift-up and down lever, this gaming chair allows you to effortlessly adjust the resistance and seat height to your preferred level. Additionally, this customizable feature makes it an ideal fit for various body types and desk heights. • Breathable Mesh Brackrest: Coming with breathable mesh backrerst, this swivel rolling chair not only ensures optimal ventilation to prevent overheating but also conforms to the natural curve of your spine with its flexible, supportive properties, offering lasting comfort throughout your workday. • High-Quality Rolling Chair: Crafted with a sturdy 5-point base and smooth universal casters, the desk chair smoothly maneuvers around your workspace without scratching the floor. Meanwhile, this chair boasts a premium gas cylinder, ensuring effortless height adjustment in various office or home environments. [] mainColor : Black mainMaterial : Mesh