Waterproof safety marine whistle Quality Nexus, (No Pee, No Jams). Bright orange with a solid 4mm black nylon cord and a connector. The connector opens on a 10lb pull so this makes it safe to be worn around the neck and leaves your hands free. Great for all water sports, walking, cycling etc. and because it is a marine whistle works well in all conditions. The whistle also has a built in belt clip. Extremely loud and easy to blow when cold/wet meeting the new safety standard ISO 12402-8.Quality nexus whistle. Please see our other whistles we have a good selection.