Dog Doorbells, ICODE Premium Potty Bells Housetraining Dog Doorbells for Dog Training and Housebreaking Your Doggy. 5 Extra Large Loud 1.4" DoorBells . An Easier, Better Way for your dog to communicate!! Instead of hearing barking & scratching, you hear the gentle jingle of Potty Bells! All dogs have to go potty and you can housebreak and teach them how to signal you when they have to gogo!! What's better than hearing the polite chime of our Potty Bells when your doggie needs to use the bathroom? Made from super strong, chew-resistant nylon tested by our very own poochie; multiple snap points make it easy to hang on any door at the height you choose; reinforced rivets will keep the bells firmly attached Hang Potty Bells from Any Doorknob or Handle. Our high quality doggie doorbell comes with a snap that makes it easy to use on any type of door handle! Small dogs, medium dogs, big dogs and large dogs all love excell with our dog bells! 1.4" Extra Loud Bells Don't worry your dog won't have an accident because you couldn't hear the bells when they rang them. Potty Bells are the loudest metal dog doorbells available on the market today and ring loud and clear every time! 100% Lifetime Money Back Guarantee. iCode stand behind all of our products, all of our premium products have a 100% Lifetime Money Back Guarantee meaning you never need to worry!