100%made in Germany accordingto all ISO 9001 standards. The BALLance ball set is the key to Dr. Tanja Kühne's method. The product is designed to be hypoallergenic, environmentally friendly, and made of a soft elastic foam material. The spring is calibrated to a specifically designed resistance to perform exercises with prevision to alleviate back pain and many other benefits. To learn more about these benefits, please visit the How It Works page.

‍