Boss Pet Rope Bone with Tennis Ball is an excellent source of entertainment and bonding for you and your pet. This product is made of durable, tightly twisted rope fibers for added ruggedness - great for games of tug. It also promotes healthy teeth and gums, as the toy flosses your dog's teeth as they play and chew. This toy also encourages exercise and provides chewing entertainment. Features a tennis ball for added interest and excitement for your pets. Ideal for large dogs.