Are you looking for a Ergonomic office chair that can be hidden under the table so as not to take up extra space? Are you suffering from the fact that most office chairs on the market without foldable backrest, and the office chair will occupy the passage? IPKIG ERGONOMIC OFFICE CHAIR is your best choice. The groundbreaking foldable backrest design allow the chair to be completely hidden under your desk without taking up extra space. Suitable for Daily Life Sleek design and simple adjustment mid-back desk chair. Match different decorative styles.Ergonomic backrest fit the natural curve of the lower back and take the pain of spinal away from your body.You can flip the arms up or foldable backrest and put the chair under the desk for saving space.Suitable for livingroom, study room, conference room and office.High density mesh back, flexible supportive, breathable. Designed to support your lower back.Pneumatic height adjustable from 16.92'' to 20.86'' match different stature. Weight capacity: 250lbs. Product Features Tilt Mechanism: Leaning back and forward feature enables you to relax your back and shouldersThe tilt tension can be adjusted using the knob under the chairThere is a handle under chair to lock any angle of the back Adjustable Seat Height: The sitting height can be lifted up and down with a handle under the chairAdjust to different desks heights and meet sitting preferencesSGS certified gas pump ensures safe in use Upgraded PU Casters: 360-degree swivel casters made from good PU materialNoiseless on move and floor friendlyChair legs are BIFMA certified