【Best Combination】 Each package includes set of 2 dog doorbells, 1 training clicker and 1 travel pet bowl. The dog bell is used to training puppy go to potty or go outside, the training clicker is used to training to eat or other orders. When go outside, the portable pet bowl used to load dog food, or take it as flying saucer to play game with your love dog. 【Easier & Better Communication】 This dog training bell provides an easier and newer way for you to communicate with your dog, hear the jingle instead of barking or scratching. Easily train nearly any puppy, doggy or grown dog to use it when they want to go to potty or outside. 【Durable Material】 7 Extra Loudly Bells are made of 100% stainless steel, more loudly than other bells. The belt is made of sturdy nylon, more durable than other belt. 【Adjustable Length】With 2 snap button design, not only can be tightened on the knob or handle, but also can be adjusted the length from the floor to fits any type dog 【100% No Risk】 We are committed to our customer’s satisfaction. All of our premium products have a 100% 180 days Money Back Guarantee.