The StarMark Fantastic Foam Ball on a Rope! These balls are made from the same virtually indestructible patented foam material as the original Foam Balls and now strung on a durable nylon rope. The material is soft and safe in dogs' mouths, have a great bounce, and float in water for fetching fun anywhere! The rope also helps you launch the ball farther than when thrown by hand. Available Sizes: Medium 2.5" diameter and Large 3.5" diameter, yellow with a blue & yellow braided rope.