The HurriK9 Replacement Dog Exerciser Rings are perfect for keeping your pet active and entertained. Made with lightweight durable EVA foam, these rings allow your dog to enjoy retrieving or fetching toys without damaging them. The set includes 6 extra tough flying rings that can travel up to 100+ feet, and a ball launcher that is designed to be less tough on your shoulder. With our replacement dog exercise ring, you’ll be sure that your pet is getting the best quality products available.