EVERYDAY CARRY: This titanium whistle is reserved a hole for D ring or key ring. Each whistle comes with a beaded chain making it very portable. Attach it to your keys or wear it around your neck. It’s ideal to put in your pocket, purse, bag or backpack, convenient to take everywhere, ensure everyday carry without leaving behind 120-130dB: Loud and crisp sound can easily attract people’s attention and enough to be heard at long distance. This safety whistle is a great emergency survival tool when go for outdoor activities like hiking, fishing, camping, traveling, boating and backpacking EASY TO BLOW: We use titanium core instead of rolling ball, double chambered design help blowing much easier, ensure your calls are heard in all directions. It’s a good signal whistle for coaches, athlete, referees, teachers and animal trainers, as well as for lifeguards and traffic police officers WIDELY USED: This metal whistle works well for pet training too! Call them back when they have strayed too far, or just remind them they are being naughty with a short sharp blow on the versatile PREMIUM QUALITY, IDEAL PRESENT IDEA: This entire keychain whistle is crafted from solid Ti-6Al-4V Titanium alloy, which is sturdy, long-lasting, resistant to corrosion, lightweight for EDC and long-lasting use. It’s an perfect Birthday and Father’s Day present for friends and family