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. 

The Chuckit! Whistler adds the element of sound to your dog's favorite game of fetch! Ears will perk up as this high-pitched, fast-flying launcher compatible ball soars through the air. Works with all Chuckit! launchers for hours of fetching fun.