3-in-1 whistle for camping, hiking, cycling, skiing, any kind of outdoor activities, and can be also for Coaches, Instructors, Sports, Teachers……
You can use your favorite lanyard instead of nylon lanyard. bring no burden to your outdoor sports, with neck lanyard easy to get in any situation, it also can be tied to your backpack, belt and so on.
3 in 1 whistle: a convenient and practical tool for your friends and family.
