Designed for the most demanding use by a growing population of fetch enthusiasts, these are not ordinary balls for dogs. Durable natural rubber and fun, bright colours make Chuckit! Fetch Balls perfect for the game of fetch. Use with the Chuckit! Mega Ball Launcher. The construction of these balls guarantees long-term use for any size dog. Plus, with vibrant colors and a natural rubber construction, the Chuckit! Fetch Balls make every outdoor game of fetch a memorable experience. Perfectly paired with the Chuckit! Mega Ball Launcher.