The ultimate interactive toy for pup development and solo play! Featuring a barrel shape—made of strong natural rubber, that’s perfect for rolling and paw-pushing—and a trapped Tennis Ball that’s fun for pups to retrieve. If you’re seeking a doggy distraction this is the toy for you. The Lilac & Moonstone Tennis Tumbles come with matching Limited Edition Tennis Balls! Note: Our toys are designed to be loved by all dogs, big and small. How long they last will depend on your dog's size, chew strength and play style.