Ready, set, fetch! The Chuckit!® Whistler® keeps the game of fetch interesting and challenging for your dog. Four holes in this high-bouncing rubber ball produce a whistle as it soars through the air to keep your dog interested and focused. This gripable rubber ball is made just the right size to use with your Chuckit! Launcher.

• Four holes produce a whistle as it soars through the air
• Gripable rubber ball is made just the right size to use with Chuckit! Launcher
• High-bouncing balls