High Quality Durable Emergency whistle, with loud Sound used in Emergency and in sports, This Ultimate Life-saving whistle with a high crisp pitch of up to 150 dB can easily attract attention If you get separated from the group while hiking
Made from high quality food grade Stainless steel, Can be used in all weather environments 
practical and portable. A good partner for camping, hiking, hunting, fishing, boating any kind of outdoor activities.
Specification: 
Item Type: Double Tube Whistle 
Material: Stainless Steel 
Length: Approx.57mm
Width: Approx. 18mm
Thickness: Approx. 8mm 
Weight: Approx. 25g
Decibels: 150 decibels
Scope of application: outdoor, survival, sports, referee and other scenes
Colors: black, light grey, silver, gold, multi