Suggested Retail:$135. ITEM AND BRAND MAY VARY. ANACCI Office Chair, Mid-Back Desk Chair with Ergonomic Back Support, Mesh Computer Chair with Thick Cushion and Flip-up Armrests & Rocking Backrest, Hold Up to 300LBS. Mimic the healthful standing position that instantly responds to your body: adjust the height, do not slouch in the chair; leaned back in the chair and chest open; the lumbar supports the pelvis slightly forward; thus effectively decrease the pressure of the back, provide natural balance and total support. Correct posture can ensure better comfort, you should look for a computer chair with at least 4" adjustable seat height, which ensures it fits your leg length and desk height, to avoid pressure buildup and numbness in the butt. The lumbar support fit your low back, helping the spine retain some of its natural curves when seated, and alleviating stress to the vertebrae. The backrest can rock freely between 90-115°. Proper relax can be more efficient for working. 4.2” THICKNESS-The massive cushion hits the right balance between firmness and comfort, We are firmly opposed to it gradually sinking to get bored with age. The waterfall edge will minimize the pressures on your legs. The breathable mesh back allows air, body heat, and water vapor to pass through the seat and backrest to help maintain even and comfortable skin temperatures.. . 7 DAY FULL REFUND GUARANTEE ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 DAY STORAGE IS ALSO AVAILABLE. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.