Practical: The double tube emergency whistle can provide high pitch up to 120 decibels, you can heard the sound from a long distance, which is ideal for outdoor sports such as camping, hiking, hunting, fishing and boating, the whistle can also be used for instructor training and pet training, which is a practical whistle.
Premium material: The professional whistle is made of aluminum alloy, with the features of corrosion-resistant and non-rusting, which is durable and resistant oxidation. The safe aluminum alloy can directly contact the mouth.
Easy to carry: The survival whistles are small and light, with key chains that can be hung on a travel bag or pants without fear of loss, and you can find them easily if you hang them in a convenient place.
Universal application: The outdoor whistle is waterproof and antifreeze, it can be used in various environments such as in rainy days or hot weather. The whistle does not contain peas inside, so it will not breed bacteria and mold.
Dimensions: 56 mm x 15 mm x 8 mm (2.2 inch x 0.6 inch x 0.3 inch), the whistles have multiple uses even if it's small , you can blow loud whistle with less strength than usual, and hang it on your bag to travel.