... in contact with the interior of the inflatable, yoga ball will be evenly touching body parts of the contact ... by various names, including Swiss ball, balance ball, birth ball, body ball, fitness ball, gym ball, Pilate ball, stability ball and therapy ball. It can also be ... athletic training, exercise and weight training. Item Name PVC Yoga Ball Material Good quality pvc Size 45cm / 55cm / 65cm /75cm ...