Product Description Features: 100% Brand New and High Quality. Dog Dogs Or Puppy Pet Pets Adjustable Training Whistle Silver Dog whistle with the dog (can also be used for other pet birds such as pigeons)to establish a good tool for communication and discipline. This Whistle can help you to train your dogs. Great for recall over long distances Key ring loop is included Please be aware of this fact they are not totally silent. Material :Metal+PP Size : Whistle8CM long and 9MM in diamete