Emergency Whistle, 120db Safety Whistle Survival Shrill Loud for Camping Hiking Hunting Boating Fishing Life Vest Jacket Rescue Signaling Lifeguard 10 Pack

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.