Waterproof safety whistle, quality nexus, (No Pee, No Jams). Bright orange with black nylon cord and a golf ball stopper. Great for walking or easily attached to a Life Jacket, BC jacket or clothing etc and ideal for all watersports including Scuba diving. 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.