The Fox 40 Micro Safety Whistle, offered here in orange with our without a neck lanyard, is compact, durable, small and flat. The Micro Safety Whistle's 3-chamber design has no pressure points. The Fox 40 Micro is less cumbersome and attaches to anything to include: life jackets, clothing, backpacks, key rings and neck lanyards! How bad would it be to hear a search party but not be able to let them hear you? An audible signaling device is a must have item. A Fox 40 Safety Whistle is up to this task. Fox 40 Survival Whistles are extremely loud, with no moving parts to freeze or jam. The Fox 40 Safety Whistle’s pea-less design allows it to produce a deafeningly loud “trill". It cannot be overblown, is extremely durable, waterproof and small. This whistle fits nicely in a pocket, on your keychain or even a neck lanyard. For years, Fox 40 Whistles have been the choice of sporting officials because of their fail safe design, durability and loud volume. The Fox 40 Safety Whistle is the whistle of choice in many commercial survival kits as well as with rescue organizations and law enforcement agencies worldwide. The Fox 40 Safety Whistle should not be blown directly into a person’s ear. It is really that loud! We offer the Fox 40 Whistle in high visibility orange. Add a neck lanyard and you have a great survival, safety or sporting event item.