Primy Office Chair Ergonomic Desk Chair With Flip Up Armrests Swivel, Black Product Details Adjustable and Space Saving :The height of this office chair can be adjusted, and the backrest can be adjusted to 120 degrees. The 90 degree turnover handrail design can save a lot of space, facilitate storage and provide convenience for you. Suitable for living room, study, meeting room and office. Ergonomic Office Chair:This ergonomic chair has a curved backrest, which perfectly fits your body curve. There is an adjustable lumbar support in your back, which is designed to protect your spine and relieve back and spinal pain during long-term work. The design of cushion edge can relieve pressure and promote blood flow in legs. Soft and Breathable:The breathable mesh back of the seat and the 3 inch thick streamlined seat cushion are soft and elastic enough to reduce the discomfort caused by sitting for a long time. The seats are filled with high-density and thick sponges, and the breathable mesh structure greatly improves the permeability, thus avoiding the feeling of sultry, especially in hot seasons. Reliable Mobility:360rotating chairs can facilitate communication with colleagues. Smooth rolling casters allow you to move anywhere you want. Its five claw base can evenly disperse the pressure applied on it, always maintain stability, and reduce the sound when sliding. High Quality After Sales:We guarantee that you will like this ergonomic office chair, but if you are not satisfied with this office chair, please contact us. We will provide you with the best service. The warranty period is one year. If you have any questions, please feel free to contact us. 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.