Very Loud: A whistle with a two-tone chamber increases the sound power to be heard from a mile away and acts as a signal whistle. One-Piece Molding: The whistle is made of a one-time molding, which means that there are no parts, no breakage, and it is suitable for children. Adjustable Lanyard: Whistle with reflective cord for high visibility even in the dark, adjustable rope so you can easily hang it around your neck, life jacket, kayak, backpack, camping and hiking gear. Durable: Made of ABS plastic, lightweight, durable and waterproof and rust-resistant, even in cold environments, it will not stick to your lips like metal. Packaging & Warranty: Includes 9 whistles with adjustable reflective cords, every product sold includes hassle-free after-sales service, no need to return if there is any quality problem. Add a layer of safety when it comes to hiking, water sports, or a variety of adventures.
Amzonly Emergency Whistles can add an extra layer of security to your family's hiking, water sports, or any variety of adventures by slipping these whistles into your gear in case you need them.

Wrap: 9 safety posts with reflective cords.
Reflective cords are available in sizes up to 2.85 feet, and any time a rope is needed, it can be used by opening the cord clamp.