Ethical SPOT Barrett Tough Tennis Jumble Large Dog ToyThe Barrett Tough Tennis Jumble challenges dogs to get the ball out of the barrel. Designed for large size dogs, of solid natural rubber with multiple textures that will help massage teeth and gums for a healthy mouth. Includes a 2. 5 tennis ball. Virtually indestructible and long lasting for hours of challenging play time. In memory of James and Barrett we proudly support The Headstrong Project through regular donations.