This large ball is perfect for many adult sports, physical therapy, exercise and is even great for pets! The durable material, bright color and size make this multi-purpose ball perfect for outdoor games, stretching, exercises, water exercises and more, in swimming pool or on land. It's safe for indoor and outdoor use, is easy to inflate and a favorite all in one ball. And, it has a great bounce! You will receive a SURPRISE color of either bright red or bright yellow. Measures 15-inches in diameter, deflated. Recommended for ages 15 years and up.