Survival Whistles with Adjustable Reflective Lanyard Emergency Plastic Whistle
This survival whistle has dual sound chambers that can reach 120 decibels quickly, enough to be heard over a mile away. Works great as a signal whistle for kids and adults.
2Pcs Emergency Whistles with Lanyard Safety Whistle Survival Shrill
This survival whistle has dual sound chambers that can reach 120 decibels quickly, enough to be heard over a mile away. Works great as a signal whistle for kids and adults. Very Loud: A whistle with a two-tone chamber increases the sound power to be heard from a mile away and acts as a signal whistle.