Mid-Back Computer Chair With Flip-Up Armrest, Swivel Computer Chair With Product Features ?Upgraded Lumbar Support?The large sized and height adjustable lumbar support filled in soft foam, combined with the S-shaped ergonomic backrest can accurately support your lower back and help you to keep a relaxed posture in a long time working. Easier to disperse pressure and relieve muscle fatigue by using our office chair. ?Space Saving? The 90 flip up arms can be adjusted at any time according to different needs, you can push the desk chair directly under the desk to save more area. The streamlined armrest fits the arm curve better, and the soft surface design can better protect your wrist and elbow. The computer chair is 3.74 inches height adjustable and 360 swivel. ?Multiple Usage Scenarios?Rubber mute wheels roll smoothly which can protect wooden floor in your home office. Pull out the lever to activate the rocking motion, easy to take a break from busy work through this desk chair. Suitable for office, living room, study room, meeting room, etc. ?Comfortable Safety ? Muxx.Stil ergonomic office chair is made of U-shaped cushion filled in high-density foam, combined with the waterfall edge design to relieve pressure on thighs and hips. The breatheable nylon mesh has good elasticity and quality, which can provide you with all-day comfort. Max capacity: 264 lbs. ?Easy To Install 2-year Warranty? With the provided installation manual, video, and tools, you can easily assemble the mesh chair in 15-20 mins. All task chairs come with 2 years warranty, please feel free to contact us if you have any questions, you will get effective assistance. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!