This item is a whistle made of brass material, which can be used for a long time. It has a delicate design, practical in use, giving you a good using experience. It is easy to use and carry, bring much convenience to you.Applicable to a wide range of scenarios.Features- Color: As Shown 2-Material:Brass- Size: 5.70X1.50X1.30cm/2.24X0.59X0.51in -Each of our whistle are designed with a small hole. You can wear it with a lanyard around your neck, wrist, or even on your backpack.-It is also a nice brass craft, animal shaped design, thus you can suspend it on anywhere you want.-Loud sound, it is suitable for outdoor survival, sports competition, etc.The carving is exquisite and the animal pattern is clear.-Compared with many traditional whistles, our whistles are brass that dont rust or corrode.-Also, great as guard whistle, whistle, emergency whistle, survival whistle, self-defense whistle and safety whistle. Packing list4 x Whistles