The safety survival whistle can be used to signal for help or attract attention in outdoor situations. Suitable for outdoor sports, fishing, camping, hiking, hunting, kayaking, boating, swimming, surfing, sailing, water sports, etc.SpecificationColor: SilverMaterial: Aluminum AlloyOuter Diameter: 1.2cm / 0.5 inchOverall Length: 6.5cm / 2.5 inchPacking List: 5 x Emergency WhistlesAdvantage1. Made of aluminum alloy material, waterproof and rust-resistant, is strong and durable.2. Compact and lightweight. Easily fits onto a keychain or backpack, making it easy to carry.3. The surface is anodized for color formation, which is not easy to fade, exquisite, and beautiful.4. No moving parts, water-resistance, that can use at all-environment all weather.

The safety survival whistle can be used to signal for help or attract attention in outdoor situations. Suitable for outdoor sports, fishing, camping, hiking, hunting, kayaking, boating, swimming, surfing, sailing, water sports, etc.SpecificationColor: SilverMaterial: Aluminum AlloyOuter Diameter: 1.2cm / 0.5 inchOverall Length: 6.5cm / 2.5 inchPacking List: 5 x Emergency WhistlesAdvantage1. Made of aluminum alloy material, waterproof and rust-resistant, is strong and durable.2. Compact and lightweight. Easily fits onto a keychain or backpack, making it easy to carry.3. The surface is anodized for color formation, which is not easy to fade, exquisite, and beautiful.4. No moving parts, water-resistance, that can use at all-environment all weather.