The ITW Survival Whistle is capable of producing over 100 decibels of sound to summon help in emergency situations. The ITW Survival Whistle is equally at home on land, sea, desert, jungle or city streets. It is the ultimate safety whistle.
These guys are great especially for a buck! Very loud, good tone and they seem durable. It's hard to beat for the price!
These are great. Bought one for all our children and grandchildren for security. Light weight and packs a punch!