The Pendel balls of the Actisan studio line are perfect training and therpy partners for functional spinal exercises, balance and coordination training as well as fitness and workout. The Pendel ball "light" is the lesser of two sizes. Pendel balls are bouncy, elastic and at the same time absolutely burst proof. Because of their oval shape they do not roll away during exercises and can be used in various ways. Size: breadth: 65 cm in diameter saddle height: 45 - 55 cm in diameter Just recently, the antimicrobial effectiveness was proved by the TÜV and the product has been awarded the "TÜV Hygiene geprüft" (TÜV tested hygiene) logo.