Fitness ball/Exercise ball/Yoga ball/Gym ball/Pilates ball. Regular, Anti-burst, Transparent and other kinds. ... 30 ~ 100 cm. Fitness ball/Exercise ball/Yoga ball/Gym ball/Pilates ball.Regular, Anti-burst, Transparent, Big sicker, Non ... 75cm, other sizes: 30, 45, 85, 95 cm etc. pearl Gym ball