Extremely loud lightweight Whistle which may be heard over very long distances, capable of producing in excess of 100 decibels of sound to summon help in an emergency situation . Features hole to allow quick and easy attachment to jacket or lanyards. Manufactured from tough corrosion free high grade polypropylene and is bright Orange in colour to provide a high level of visibility. Meets the standards set out in ISO-12402-7 and may be used with Personal Flotation Devices manufactured to meet EN394 and ISO-12402-8. Measures 20.79mm X 69.76mm X 10.13mm. 6 Long Blasts on a Whistle is the International Distress signal.