Marsail Office Chair Ergonomic Desk Chair, 360Swivel Mesh Back Wide Computer Chair PU Leather Criss Cross Chair,Adjustable Lumbar Support Flip-up Armrests,Adjustable Height Executive Task Chair ?5-YEAR CUSTOMER ASSURANCE: We provide 5 years of after-sales guarantee! If there are problems such as missing parts, product damage, or other unsatisfactory issues, please contact us via the email address provided in the instruction manual- our dedicated team responds within 24 hours during workdays. Thank you for choosing Marsail office chair. We will be responsible for your choice ?UNIQUE COMFORTABLE FABRIC: This office chair features a headrest, seat, and armrests made of high-quality, skin-friendly PU leather that is soft and easy to clean. The backrest is crafted from breathable mesh with high elasticity and strong tensile strength, helping to keep your back cool and comfortable for extended periods. Our PU leather and mesh combination is an innovative design that prioritizes your maximum comfort ?HIGH-DENSITY FOAM SEAT: Our computer chair cushion boasts a stylish, saddle-shaped design that is both fashionable and attractive. Equipped with high-resilience foam, it distributes pressure evenly across the seat, providing superior comfort and support for extended periods of time. The seat has been durability tested up to 100,000 times, ensuring that you can use it with confidence and without worry ?REAL-TIME ADAPTIVE BACKREST: The ergonomic office chair is equipped with an adaptive lumbar support that is adjustable by 2? to properly match body height and shape. The S-shaped backrest is designed to better fit the spine for more effective lumbar support ?CUSTOMIZED COMFORT: With a wide range of customizable features, suitable for people of different heights, including an adjustable 2D headrest, backrest with a 90 to 120 tilt rocking angle, and 90 flip-up armrests, you can adjust the desk chair to find the optimal position for your neck, cervical spine, shoulders, and arms, providing maximum relaxation. You can also adjust the seat height to meet your work and daily needs(Suitable for height range: 5ft 1" to 6ft) ?BUILT TO LAST: Our home office desk chairs features a Class 3 SGS gas lift that has been tested for durability up to 120,000 cycles, a strong five-leg base, 360 smooth swivel, and quiet caster wheels that roll easily on wood floors, carpet, and tile. Enjoy improved posture and true comfort with a ergonomic desk chair that is built to last with a weight capacity of 300 lbs ?EASY TO ASSEMBLE: We offer installation instructions and videos to help you easily and quickly assemble the office chair yourself. It usually takes about 10-20 minutes to assemble. If you have any questions, please feel free to contact us ?INSTALLATION NOTE: When connecting the armrests to the backrest, do not tighten all screws before aligning them with the corresponding holes. Please align each screw with its respective hole and then tighten them one by one to ensure a proper installation ?INSTALLATION NOTE: when installing the headrest, do not tighten all screws on both sides before aligning them with the corresponding holes. Make sure to align each screw with its respective hole first, and then tighten them one by one to ensure a successful installation Shipping We offer FREE shipping on all orders in US We ship within One-Three business days of payment, usually sooner. We use a selection of shipping services such as UPS, FedEx, USPS etc We offer free shipping to the lower 48 states and ship within 1-3 days of payment, usually sooner. For shipping outside of the continental USA International customers are responsible for all duties and taxes. Return You can return a product for up to 30 days from the date you purchased it. Any product you return must be in the same condition you received it and in the original packaging. Please keep the receipt. Return Policy ? We guarantee against any defective or misrepresented products. The original shipping label must be sent back to us to validate the return. A full refund can only be issued during the first 30 days upon receipt of the product. ? Returns will be voided if the product is mishandled or physical damaged by customer. ? Buyer will be responsible for all kind of return shipping/shipment to the seller for resolving the problem. ? Returns made for all non-defective, undamaged products are subject to a 15% restocking fee. Shipping and handling fees are absolutely non-refundable. If an item is returned to us due to an address issue, we do charge a reshipping fee to reship. If you would like a refund, there will be a 15% restocking fee applied. ? All returned products need to be assigned an RMA # (Return Merchandise Authorization #) prior to return. Please contact us through's messaging system to obtain an RMA# for the return. Any returned product without an RMA # on package will not be accepted or processed? Please contact us before returning. Payment We accept payment by any of the following methods Please pay as soon as possible after winning an sale, as that will allow us to post your item to you sooner! Feedback Customer satisfaction is very important to us. If you have any problem with your order, please contact us and we will do our best to make you satisfied. Feedback ? We appreciate your feedback and our system will automatically leave feedback for you after bid ends. ? Please contact us through message center if you have any problems, we will always try our best for 100% customer satisfaction. Contact Us If you have any queries, please contact us via. We usually respond within 24 hours on weekdays. Please visit our store to check out other items for sale! Thank you for shopping at our store.