Outdoor Survival Whistle
Durable and strong,made of high quality aluminum alloy.
Double tubes and crisp sound, you can use it in any life-saving environment.
Maximum sound intensity of up to 118 decibels, can be heard for far distance
High frequency Diplopore whistle is a good outdoor helper, compact and easy to carry, cavity free bead design, water inside also can be used. For Multisport , Camping , Mountaineering , Travel , Running , Climbing , Rock Climbing , Backpacking
portable ( only 11g), can attach to bags or wear on your neck.
Color:Silver Gold(Random color)