Togu Happyback Ball Cushion
The air filled HappyBack ball cushion makes you sit correctly and trains you along the way. Sitting on this dynamic device makes you sit in an upright posture due to the unstable and flexible seat pad; and in turn the body tightens and your back is strengthened. Trim your body and train your back effectively while sitting in the office, at home, or on a journey, without spending any tim..