1.PORTABILITY AT FINEST This survival signal mirror is made of strong and durable acrylic material, providing better reflection effect for better visibility. It weighs only 1.16 ounces and has a compact size, making it easy to carry in your backpack or bag, perfect for your next outdoor adventure. 2.MULTIPURPOSE APPLICATION This multifunctional survival kit comes with a signal mirror, an emergency whistle and a carrying rope. It is suitable for camping, hunting, and extreme sports. It is an essential tool for all your outdoor adventures. 3.REFLECTIVE TOOL With a transmission distance of over 100 km in clear weather, this reflective survival mirror is also suitable for daily use and can be used as an everyday mirror even in low light conditions or on cloudy days with additional lighting. 4.SUPERIOR CLARITY The signal mirror surfaces are equipped with a protective film and come in a PP storage box, better protecting them from scratches and ensuring lasting clarity and effectiveness.