JW's® Bristl-ee Cactus Ball™ Puppy Toy is a teething ball loaded with a variety of rubbery textures that massages and soothe your puppy's achy teeth and gums during the teething phase. Great for older, smaller dogs too, this toy has a center hole that can be filled with treats that dispense as your dog chews. With a diameter of just 3" the Bristl-ee Cactus Ball is perfect for puppies and small dogs.