Louder Sound: Double tube metal whistle is extremely loud and easy to blow. This emergency whistle can provide up to 120 decibels, can be heard for far distance, also suitable for referee and coaches.
Premium Quality Lightweight: Made with aluminum alloy, strong and durable, only 12g, with key chains and lanyard, can be tied to backpack, belt or hanging around the neck as a whistle necklace.
Good Environmental adaptability: This whistle can be used in all-environment all-weather, rainy day, humid weather with excellent airflow design. This pealess whistle has no built-in pea, so it will not mold and breed bacteria because of the pea. You can use it in any dust or dirty water environment
Versatility: This survival Lifeguard Whistle can used as pet whistle, bear whistle, dog whistle, ref whistles, toy whistle, camp whistle and gym whistle. Suitable for outdoor activities and sports.
30 Days Money Back Guarantee & Include: 2 x Phinus emergency whistle with keychain, 2 x lanyard, welcome guide, 30 days money back guarantee and our 7*24 friendly customer service for peace of mind.