Designed for the most demanding use by a growing population of fetch enthusiasts, these are not ordinary balls for dogs. Use Medium The Whistler Balls with all Medium Chuckit. Ball Launchers.
For average size dogs
Whistles in flight
Easy to clean
Use with Medium Chuckit! Ball Launchers – Chuckit!, Chuckit! Jr., Chuckit! Ultra, Chuckit! Pocket, Chuckit! 18M, and Chuckit! 25M Ball Launchers