Come and see our amazing products. The whistle for the military green, lightweight and practical, cylindrical design, especially for field use. Whistle in the wild whistle collection not only the role of life-saving effect. Multi-function together: whistle, compass, thermometer, magnifying glass, mirror, LED light small lights, small storage compartment.ABS high-strength anti-fall high-temperature engineering materials. Small size, easy to carry, powerful.Wear them hands-free on the braided lanyard, or detach them for easy access and quick pocket storage, wherever you wish to keep it handy.Multifunctional Hiking Whistle suitable for camping, hiking, hunting, travel, outdoor activity, emergency situation and survival kit. Contact with peers in the wild, danger, accident needs help. Pls confirm with us about the packing info, stock color and exact production time before placing your order