🚚 Delivery address: Singapore local warehouse shipment. 🚚 We shipped your order within 1-2 working days, 🚚 JT：Delivery within 2-3 working days. ✔️Ergonomic Lumbar Support: The double-backrest is designed according to the curve of the human spine, it really fits the body. Supports the back and lumbar at the same time, you can fully feel the support and curvature of the lumbar, computer chair provides stronger comfort and balance the pressure on different parts of your body. ✔️Breathable Mesh Seat: The full mesh office chair is made of nylon mesh for better insulation and moisture resistance.The surface is soft and skin-friendly to avoid sweating and sticking. High quality mesh has long time support, long sitting without deformation, suitable for long office hours. ✔️300Lbs Weight Capacity: The strong gas cylinder of the ergonomic office chair has been thoroughly safety tested, while the thick chassis provides strong pressure resistance and higher security. Aluminum legs, 360° silent casters roll smoothly and effectively protect floors. ✔️Multi-Adjustable Design: This office chair comfortable features an 18.1 ~ 22 inches adjustable seat height, +/-2” adjustable headrest for better support, and 3D armrests that are adjustable toward the front, back, up, down, left, and right. Truly ergonomic mesh office chairs promote healthy posture. the front, back, up, down, left, and right.Truly ergonomic mesh office chairs promote healthy posture. ✔️130° Reclining Tilt: Are you tired during long office hours? Easily tilt the desk chair up to 130° by pulling out the lift handle, and push the handle back to lock the position. You can enjoy a moment of relaxation at work and helps increase productivity