Introducing the UST Hear Me Whistle 2 pack, the ultimate emergency whistle for outdoor enthusiasts. With its loud, dependable, and reliable performance, this waterproof and durable whistle emits a shrieking high pitched sound that is sure to catch attention in any emergency situation. Measuring at 2.75"x0.75" x 0.75" and weighing only 3 oz, this whistle is convenient for signaling and won't freeze, clog or rust. The 2 pack includes breakaway lanyards and comes in a vibrant yellow color for easy visibility. Whether you're hiking, camping, or just need a safety whistle for everyday use, the Hear Me Whistle 2 pack is the perfect choice for staying safe and prepared.