Sweetcrispy Office Computer Desk Managerial Executive Chair, Ergonomic, Black Product Details ?Comfortable Seat for All Day Comfort?- Ergonomic features an all-elastic premium mesh back and a high-density sponge seat making the mesh office chair a good choice for all-day comfortable office seating. The unique mesh design is skin-friendly and breathable, which keeps you cool all day. ?Ergonomic Lumbar Support?- The ergonomically designed office chair backrest features prominent lumbar support that fits the natural curvature of the spine, helping you maintain a relaxed posture during long hours of work or study. This office chair is a perfect gift for your family and friends. ?Multifunctional Mechanism?- The seat height of this 360 Rotating chair could be easily adjusted by the pneumatic adjustment lever, and the adjustment range is 18.5-22.2 inches. Besides, the 90 -120-degree rocking mode helps you to relax from hard work. It is perfect for the home office, bedroom, study room, living room, classroom, school, computer desk, apartment, guest workstation, gaming room or conference room. ?Smooth Movement Stability?- Our comfy office desk chair comes with smooth and multi-direction casters, which allow you to move the chair around effortlessly. They can run smoothly on tile, wooden floors, carpets, and other floorings. The large 5-star base increases stability even at the full height range. The maximum weight capacity is 250 lbs. ?Easy Assembly? - The home office chair comes with installation instructions and all necessary hardware tools. We also offer a video to help you, allowing the office chair installation to be completed within 10-15 minutes. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.