Off-the-shelf seven-in-one whistle

Outdoor camping survival whistle Seven-in-one whistle 7-in-1 whistle Multi-function whistle

Seven functions whistle, ABS high-strength anti-fall high temperature engineering materials, built-in whistle, flashlight, magnifier, sealed compartment, thermometer, mirror, compass, seven functions, small size, easy to carry!

size: 10x2.8cm