Double tube design and waterproof, you can use it in all-weather.

Loud whistle, can be heard for far distance.

Small light double tubes resonance high-frequency metal aluminum whistle is necessary in your travel or games at home.

Per outdoor expert proposal, for outdoor activities, 2 lifesaving whistles is a must-have, one for every day carry, one for bags.

Contact with peers in the wild, danger, accident needs help, a little survival whistle can help a lot.

Sturdy but light key chain whistle can be hung on a backpack or a key ring in your pocket without adding bulk, fashionable, practical and portable!

• Food Grade Aluminum: Made of Sturdy Alloy to provide trustable quality, Durable and Safe.
• Survival Whistle for Outdoor Activities Needs: Suitable for emergency situation in sporting events, camping, hiking and boating.
• Good Environmental Adaptability: Waterproof, Dustproof and Shockproof, this emergency whistle can be used in all-weather, rainy day.
• Lightweight Whistle with Key Chain: Convenient to carry. Fashionable, Practical and Portable.
• Double Tubes Whistle with Crisp Sound: without pea, not moldy.

Food Grade Aluminum: Made of Sturdy Alloy to provide trustable quality, Durable and Safe.love&mini