TISUR Titanium Emergency Whistle,120db Safety Whistle with Lanyard,Outdoor Survival Small Whistle for Life Saving,Hiking,Pets Training,Coach SportsHigh Quality Titanium : This titanium survival whistle is made of high quality titanium, waterproof, corrosion resistant, non toxic, non allergenic, can be used in a variety of complex environments, durable, and a must have for your safety kit. Loud and Clear Sound: The emergency whistle produces a sharp sound of up to 120 decibels, which is loud and clear, making it a reliable companion whether you need to signal for help in an emergency or