Waboba SOL changes color in the sun and bounces on water. SOL is a foam ball with a lycra cover, which makes it versatile for any water environment. Hit the beach, lake, or pool. Plus, the more water it absorbs, the farther it bounces! Just be sure to squeeze your ball after use to help it dry. Features white UV color-changing ink Bounces on water Easy to catch Good for: close range play Best for: pool, lake, or ocean Size: 80 mm / 3.15 in Ages: 8+ Material: lycra + foam combo