KONG Squeakair Tennis Ball with Rope lets you train your dog though play! With the simple combination of the popular Squeakair tennis ball and a durable rope, playing fetch is now more fun! The new design allows you to throw further while making pickup a breeze. The KONG Squeakair Tennis Ball with Rope has a hidden squeaker made from a non-abrasive felt material that is gentle on your dog's teeth and gums.