CHUCKIT! THE WHISTLER BALL MEDIUM

Designed for the most demanding use by a growing population of fetch enthusiasts, these are not ordinary balls for dogs. Use Medium Whistler Balls with all Medium Chuckit! Ball Launchers - Chuckit!, Chuckit! Jr., Chuckit! Ultra, Chuckit! Pocket, Chuckit! 18M, and Chuckit! 25M Ball Launchers.