Emergency Whistle SurvivalOutdoor Safety Loudest Whistles Aluminum with Keychain, Double Tubes Slim Rescue Whistle - Gold

【PREMIUM MATERIAL】Made of high-quality aerospace hardened aluminum, these emergency whistles are durable, sturdy, rustproof, and easy to clean for a long time use. Safety accessories for you while camping or doing some adventure outdoor.^ 【DOUBLE TUBES & LOUDEST】The unique dual-tube design can blow high-frequency and loud whistles easily. It can also attract the attention of people nearby in the wilderness. Definitely a must-have for you if you love outdoor activities.^ 【SLIM & PORTABLE】Designed in a slim and simple appearance, not easy out of date, and add fashion charm to you. Each survival whistle is equipped with a keychain, so you can hang it on your belt or bag to prevent loss efficiently.^ 【WIDE APPLICATION】These loudest whistles survival are suitable for camping, hiking, hunting, sports, dog training, and perfect for men/women/kids. Our loudest whistle for self defense is also a great gift idea for your friends or family!^