This 2 Pack Plastic Whistle with Lanyard is perfect for taking on hikes, while camping, exploring outdoors, or keeping inside your car to signal for help in case of an emergency. Lightweight and portable, the whistle has a keychain loop and lanyard with a connection clip so it can be taken everywhere you go. This useful emergency tool creates a high-pitch sound that alerts others to your location when you cannot easily access help. Great to have on hand when outdoors and are lost, injured, or in danger. Comes packaged on a hanging blister card.