Description: 100% brand new and high quality. Features: Survival whistle is made of stainless steel. Ideal for referees, lifeguards, football, schools, dog training and other sports Comes with keyring / neck (wrist) cord in clear plastic box. Unique loud voice. Application: 1, help, early warning - suitable for wild adventure, women, lonely ALICE, children, and sea rescue 2, warning, command - traffic police, security, vehicle scheduling management 3, outdoor contact - (go out with travel, one person, in advance to encode the sound, and then can be more distance contact), suitable for outdoor sports 4, competitive games - suitable for a variety of sports competitions for the referee 5, other uses to play their own useful Specification: Color: Silver Lanyard: Nylon Material: Iron Size: 65 x 16mm / 2.56 x 0.63inch Package includeds: 1 x Metal Survival Whistle 1 x Box Note: 1.Transition: 1cm = 10mm = 0.39inch 2.Please allow 1-3mm error due to manual measurement. Pls make sure you do not mind before you bid 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!