Feature:1. 1. Titanium health material, nontoxic and nonallergenic, high hardness, lightweight, corrosion resistance, mini compact, unique design and more fashionable.2. 2. Small and ultralight. Portable mini size: 1.8 inches (47 mm) high, 0.3 inches (8 mm) in diameter; lightweight, only 0.2 ounces (5.7 grams). Necklace length: 26 inches/66 cm. Highquality materials make them possible to use for a long time.3. 3. This small whistle has a hole to hang a lanyard. It can be a cool pendant necklace that hangs around the neck in daily life, or it can be hung on a keychain. Hanging on a key or keychain takes almost no space as a small Accessories.4. 4. High pitch of up to 120 decibels, small size but loud, just like your EDC emergency whistle, it can produce sound with very little effort, suitable for outdoor, camping, hiking, survival and carrying.5. 5. Integrated molding, no ball design, can be blown by water and dust.Specification:Product name: Titanium alloy whistleMaterial: Titanium alloySpecification: 8*48mmWeight: 5.6g.Package List:1*WhistleNote:Due to the lighting effects and shooting angles, there is a color difference in the product, please understand.Due to manual measurement, there is a tolerance in the product size.