•Material: ABS environmental protection material
•Whistle Design: The whistle is designed to provide great sound penetration, allowing you to whistle easily and produce a loud, clear sound.
•Durable Metal Buckle: The whistle features a removable design with a durable metal buckle, ensuring convenience and long-lasting use.
•Lightweight and Portable: This whistle set is lightweight and portable, making it easy to carry and use wherever you go.
•Fine Workmanship: The whistle set is meticulously crafted with fine workmanship, resulting in a delicate and high-quality design.
•Versatile Application: Suitable for various outdoor activities such as survival, life-saving, physical education lessons, as well as basketball or football games.