There are many benefits to your dog is playing with the humble tennis ball; they are cheaper than other balls, easy to find and your dog just loves to chew on it after a quick game of fetch. If you have a ball-obsessed pup, you have probably played fetch with (and thrown out) some worn, chewed and soggy old balls. These are designed just for you and your dog to have fun. Designed for small breed dogs. These balls combine two classic dog toys - the tennis ball and the squeaker toy - to create the perfect fetch toy