It's easier to blow a whistle than it is to yell until you are found
Sweet and economical way to help your kids learn about safety
Compact, convenient, and very loud. Not a bad idea for the ladies to carry one in the purse.
This is the perfect thing to take while out backpacking or camping to allow you to contact people at a distance in the event that you become separated from your group.
Strap them on a life vest or on back pack or wrist