These pet training bells are perfect for you dog to communicate with you. You can housebreak & teach your doggies how to signal when they need the bathroom just by hearing the gentle sound of these jingle bells. You can hang them from any door to be used as a training bell or as home decor. Made of heavy-duty nylon with 8 Metal Jingle bells to ring loud and clear every time! It also has a rubber FOOTBALL hanging to attract your four legged sports fan!