Whats in the box:SOL Rescue Howler Whistle (2 pack)
Developed exclusively for the Pocket Survival Pak by Fox 40 this new, ultra-light whistle is extremely loud. Whistles exceed SOLAS and U.S. Coast Guard specifications. Dual-frequency whistles with dual lanyard hole. The Rescue Howler Whistle emits a piercing dual-frequency 110dB signal thanks to a dual-chamber fail-safe pea-less design. Whistles can be heard from over a mile (1.5 km) away, weigh .5 oz (14 g) measuring 2-1/8" tall x .25" wide (5.1 x 0.6 cm) and are made from unbreakable ABS plastic for a lifetime of trouble-free use.