Feature 1High Decibel: Professional high frequency survival whistle with a loud sound, even at a distance can be heard, suitable for emergencies in outdoor activities. 2With Key Chain: This emergency whistle with key chain, can be hung on the bag or key string, light weight, convenient to carry and storage. 3Applications: Emergency whistle is suitable for camping, hiking, fishing, boating, etc, as well as dog training, school sports, lifeguards, etc. 4Sturdy And Durable: Outdoor whistle pendant is made of premium plastic, wear resistant, drop proof, durable, and with long service life. 5Safe And Reliable: 3 frequency outdoor survival whistle with premium airflow design for all weather use in a variety of environments.SpecificationItem Type:SurvivalWhistleMaterial: Plastic .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List10 x SurvivalWhistle