The whistle set is crafted from materials, ensuring longevity and consistent performance. Its versatile design allows it to be used in a wide range of toys, from dog toys to children's playthings. The easy-to-install components make it simple to refresh your toys, providing endless fun and excitement for users of all ages. Features -Color:White -Material:Plastic -Size:1.80X0.80X0.80cm/0.71X0.31X0.31in -Multi functional: this whistle set caters to different whistle requirements, making it a versatile addition to your gear -construction: crafted from materials, ensuring it withstands regular use and remains intact over time - clarity: engineered to emit a sharp and clear sound, ensuring your are heard even from afar -User friendly: designed for ease of use, allowing anyone to blow the whistle without any difficulty -Wide range of uses: suitable for various scenarios including sports, training, emergencies, and pet training, making it highly practical Package list: Medium size (50 capsules/pack) Whistle accessories