Multi-use whistle as sports whistle, referee whistle, whistle, guard whistle, lifeguards whistle, emergency whistle, survival whistle, self-defense whistle, police whistle and safety whistle. In addition, it is also a mini metal craft pendant with vintage design. Features -Color:As Shown -Material:Aluminum Alloy -Size:9.00X1.20X1.20cm/3.54X0.47X0.47in -Whistle is also a nice metal craft, hole design, thus you can suspend it on anywhere you want. -Features small size, which is easy to carry. And you can ask for help by using this whistle. -Also, great as guard whistle, lifeguards whistle, emergency whistle, survival whistle, self-defense whistle and safety whistle. -Makes and durable whistle ensures loud crisp and higher tones, good volume, blow vigorously. -Metal whistle isgreat for life saving, PE lesson, referees, coaches, training, teachers, survival, emergency, school, gym, etc. Packing list6 x Outdoor Whistles