Puppy Pet Dog Whistle Two-tone Ultrasonic Flute Stop Barking Ultrasonic Sound Repeller Cat Training Keychain for Dogs Training Features: 100% 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. Specifications: box: NO Material: Stainless steel product specifications: a length of 7 cm. Color: As pictures show net weight: 12 g Packing content: 1 x Dog Training Whistle Specifications: 100% 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. box: NO Material: Stainless steel product a length of 7 cm. Color: As pictures show net weight: 12 g Packing content: 1 x Dog Training Whistle