SIHOO M76 Ergonomic Office Chair Swivel Desk Chair Height Adjustable Mesh Back Computer Chair with Lumbar Support, 90° Flip-up Armrest GreyErgonomic Office Chair Design SIHOO ergonomic office chair is designed with a C shaped backrest that perfectly supports your body. SIHOO ergonomic desk chair provides 3 support points (back hips hands) to meet the needs of life and work. The ergonomic office chair is best suited for people of 150 175cm with a maximum load of 300 lbs.Folding Armrest Desk ChairThe armrests of the home office desk chair are adjustable and can be flip up armrests to save