Whistle applies Emergency, disaster prevention, outdoors, camping, survival, referee, teacher, coach, lifeguard etc.It is okay to give a child or elderly as a present.
Brand: gaoshengwujingd
Material: Brass
Size: Single tube: 5.5*1cm
Double tube: 4.5*2*0.5cm
Volume: 130dB
Scope of application: outdoor survival, camping
Brand: gaoshengwujingd
Material: Brass
Size: Single tube: 5.5*1cm
Double tube: 4.5*2*0.5cm
Volume: 130dB
Scope of application: outdoor survival, camping