Dog Tennis Ball "BONE"anza Toys (Set of 3) Two of a Dog's Favorites Tennis Ball and Bone United. Perfect for the Game of Fetch Includes a Set of Three Different Variations, Constructed of Durable Tennis Ball Material. Non-abrasive tennis material will not wear down your dog's teeth Non-abrasive tennis material will not wear down your dog's teeth Dog Toys Measure from 6.5" to 8" in length Designed for Dogs of all Ages. Bright yellow color easy to find in tall grass