This pet teaching whistle is lightweight and small, with a key ring designed to hook the tool to the strap to prevent loss or falling The dog whistle is made of materials high quality, durable and not easy to break, and the grip is secure. This training sound tool is the perfect accessory for training pets This plastic animal trainer is easy to use, easy to blow, suitable for most people This pet training clicker can make two sound choices, hand press or bubble press, easy to use Color: As shown in the picture This dog whistle uses a two-way sound reproduction design, allowing you to press or blow the sound. PET training clickers are easy to blow and effortless. The plastic PET trainer is made of high quality materials and is not easy to break or deform. This audio training tool 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 keychain is designed to hang on and prevent it from getting lost or falling off. Specification: Material: PC Dimensions: 7.5 x 3.5 x 2cm. Color: Black, White, Blue, Green, Red What's in the box: 1 x Pet Training Whistle. 1 key ring.