Black - Official US NAVY Storm All Weather Safety Whistle - USA Made 120 pound working load strength

120 pound working load strength

Lining: 65% Cotton

Lid For Canteen Cup

Cotton/spandex blend fabric provides breathability and stretch

Black - Official US NAVY Storm All Weather Safety Whistle - USA Made 120 pound working load strengthStorm safety whistle. Worlds loudest whistle. Can be heard through walls, through glass and through water. Can be heard over 1 4 of a mile through trees and over a 1 2 mile water. Decibel reading varies between 118 and 120 DB. Unique patented design allows it to be heard under water, up to 50 feet, because the sounding chamber forces all water to be purged when the whistle is blown. Creates a clear, high frequency sound, with a power rating over 75%