Kolliee Mid Back Mesh Office Chair Ergonomic Swivel Black Mesh Computer Chair Product Details SWIVEL, ADJUSTABLE HEIGHT MESH OFFICE CHAIR: 360 degree swivel, adjustable height mechanism, flip up armrests. ERGONOMIC OFFICE CHAIR: This office chair designed with human-oriented ergonomic construction, providing back support to reduce back pain caused by long time sitting. HIGH QUALITY OFFICE CHAIR: Our office chair is high quality, environmentally that comes from a responsible manufacturer. SUPERIOR QUALITY MATERIALS: American-made high density mesh, high resilience foam cushion, high quality gas lift cylinder. All materials are in good quality, durable, and not easy to deform. EASY INSTALLATION: Our office chair is easy to install. We offer installation instruction and video to help you. 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.