Na 4 Pack Emergency Survival Safety Whistles

Survival whistle: 70mm*27mm*7mm Excellent airflow design, easy to blow out, clear and loud sound Multi-audio design: The spoon has three holes, and each hole makes a different sound. You only need to blow a loud sound to keep the sound sweet. Easy to carry: Made of durable plastic ...Survival whistle: 70mm*27mm*7mm Excellent airflow design, easy to blow out, clear and loud sound Multi-audio design: The spoon has three holes, and each hole makes a different sound.

You only need to blow a loud sound to keep the sound sweet. Easy to carry: Made of durable plastic, equipped with a short chain, light weight, only 9g, can be carried with you Versatility: Loud safety whistle, used for outdoor activities such as camping, hiking, hunting, and can also be used for dog training.