Come and see our amazing products! 3 in 1 multi-functions, besides an emergency whistle, it is also a compass and a thermometer, bring you necessary information during outdoor sports.You can use your favorite lanyard instead of nylon lanyard.With neck lanyard easy to get in any situation, it also can be tied to your backpack, belt and so on.You can tying this to your PFD and that works pretty good.Loud safety whistle for camping, hiking, cycling,skiing, any kind of outdoor activities, and can be also for Coaches, Instructors, Sports, Teachers, Life Guard, Protection, Self Defense.A whistle will be much louder than a scream, so a whistle is a must of you're out on the water.Great sound, carries a good distance, doesn't hurt your ears when you blow it.Welcome to customize your logo. Pls confirm with us about the packing info, stock color and exact production time before placing your order