ERGO BALL(Lounge Chair) is a type of exercise ball that is designed to promote active sitting. It is an ergonomic seating solution that can help improve posture, balance, and core strength while sitting. The ball is inflated to a specific size and can be used as a chair, providing a comfortable and dynamic surface to sit on. By using an ERGO BALL, individuals can engage their muscles and improve their overall health and well-being while working or sitting for long periods of time.