OYLZ Survival Hiking Whistle Double Tubes Loud Whistle with Keychain and Lanyard (Gold)
1.Durable and strong,made of high quality aluminum alloy.
2.Double tubes and crisp sound, you can use it in any life-saving environment.
3.Maximum sound intensity of up to 118 decibels, can be heard for far distance
4.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
5.Ultra-light and portable ( only 11g), can attach to bags or wear on your neck.