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. All Tennis Tumbles include an extra 4-Pack of Tennis Balls for more fun!

Recommended for medium and large dogs.

Tennis Ball Diameter: 2.36 in. about the same size as a regulation-sized tennis ball.