Gymnic Sit'n'Gym Jr. 45 - Yellow, 18"

Ages 3 years and up. Made of heavy duty vinyl. Inflation by adult. 18 in. Dia. (3.00 lbs.). The Sit n' Gym ball has little feet to prevent them from rolling away when used as a sitting ball. Widely used in European kindergartens and classrooms, the Sit N Gym encourages dynamic sitting through gentle body movements that improves blood circulation increasing the childs attention span conducive to better learning. It also promotes proper body alignment for better posture. Can also be used as a regular exercise ball. Made of Super strong latex-free vinyl material and is surface washable.