Work Chair, Desk Chair, Home Office Chair, Mesh Computer Chair,, Living Room. Product Details ?Breathable and Comfortable Design?The breathable mesh material on this swivel desk chair keeps your back and leg cool and comfortable. Adopt mid-back office chair Lumbar Support design, This design will promote air circulation, allowing you to sit cozily for long hours. ?Height Adjustment?Our computer ergonomic office chair has an adjustable height, The seat height can be adjusted from 17.5"-21.3", and meet the different heights of the desk, so we make sure that everyone finds their perfect fit. This desk chair with wheels rolls on five anti-scratch wheels for easy movement and can swivel 360 degrees, so you can get optimal movement and comfort. ?Sitting Position Adjustment?The locking function is provided under the computer chair seat. You can adjust the Locking function to 90-120 degrees to find a suitable office position for you. If you have a small space, but still want to enjoy the comfort of a professional office chair, our rolling chair is just right for you. Allows you to enjoy a long and comfortable office experience. The office chair can support up to 250 LBS. ?Ergonomic Design?The armrests are designed to facilitate the user's natural seated position, helping align the spine alongside the neck rest for superior comfort. High-quality material reduces pain in the users after hours of working. ?Easy to Set up and Warranty?You don't need another tool to install it. All screws have extra space for your convenience. With step-by-step instructions, it's easy to assemble this office chair yourself at home in about 10-15 minutes. We offer all our customers a 12-month sales service for this office chair. If you have any further questions please don?t hesitate to contact us further. 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.