The Ori-Back ergonomic portable chair is a foldable chair that can be placed on another chair or any other surface. The Ori-Back helps to prevent any lumbar and pelvis related inconveniences such as lumbago. This portable chair is excellent for those who sits in one location for long duration throughout the day. The ergonomic design has cushion on the bottom to help support the weight on both sides of your pelvis which helps prevent pelvis twist that is common while sitting down. This product also helps fix your posture while sitting down.