[Highly Breathable Leather] This gaming chair is made of highly breathable PU leather, which is 33 times more breathable than ordinary synthetic leather. The soft leather with exquisite stitching effectively improves the comfort of use.[New Ergonomic Design] We equipped this gaming chair with a newly designed headrest and lumbar support. It make the computer chair fit the curve of the human body better, and provide support for the neck and waist, as so to achieve the effect of sitting for a long time without getting tired.[Upgraded 4D Armrests] This big and tall gaming chair uses Dowinx's special 4D armrests, which can be adjusted back and forth, left, right, up and down, and the padded armrests also have a swivel function. Provides optimal support no matter how you sit.[Functionality beyond Industry Standards] The reclining function of this gaming desk chair is up to 165°, and the rocking range is 90°~120°. The gas cylinder is safe with the industry's highest grade class 4. The seat cushion is filled with high-grade polyurethane foam, a memory material that retains its optimal shape every time you sit and leave it.[Worry-free After-sales Guarantee] The gaming chair comes with installation tools and instructions. And the chair has 1-month return and 1-year warranty guarantee. Our after-sales service department will provide installation guidance and free replacement parts.