Set of 4 2.5in (6.35cm) water bomb balls. Soak in water and toss! Durable and dries quickly. Made with soft & safe non-toxic foam material.Made with soft & safe non-toxic foam material. These soft water bomb balls come in various attractive designs and summer colors. Each measures 2.5 in (6.35cm) in diameter. Just soak in water and toss! Perfect for hours of outdoor play, in a beach or pool party. Soft foam balls are durable and dries quickly. Made with safe and non-toxic material. For children ages 4 & Up.