This pet teaching whistle is lightweight and small, with a key ring designed to hook the tool to the strap to prevent loss or droppingThe dog whistle is Made of high quality materials, which are durable and not easy to break, and the grip is secure.This training sound tool is the perfect accessory for training pets This plastic pet trainer is easy to use, easy to blow, suitable for most peopleThis pet trainer clicker can make two sound choices, press by hand or bubble, easy to useThis dog whistle uses a two-way sound reproduction design, allowing you to press or blow the sound.PET training clickers are easy to use. blowing and effortless.The plastic PET trainer is made of high quality materials and is not easy to break or deform.This audio tool trainer is a perfect tool for teaching and training pets. It is lightweight and compact and easy to carry when going out.PET Gauge Whistle with Key Ring is designed to hang on and prevent it from getting lost or falling.