Quality Whistle: This emergency whistle is made of ABS plastic. Durable, high quality, and long-lasting. The dual-tube emergency whistle can deliver over 100 decibels, enough to be heard from a long distance. Loud dual-tube design: The whistle has a powerful, clear sound; no moving parts, nothing to interfere with the sound, and nothing to jam, allowing you to be easily heard in an emergency. Carrying a portable whistle is very important for your safety. Easy to Carry: The safety whistle can be attached to clothing, a belt, a travel vest, a life jacket, a backpack, a shoulder strap, and more. You can also attach the whistle to yourself with the lanyard. Bright Colors: Highly visible, helpful in search and rescue situations. Thanks to its bright orange color, you won't easily lose it. The color also represents an emergency. You and your orange whistles will be easily noticed in any situation. Perfect for lifeguards, self-defense, and emergencies.