Package Contents: One pack contains 10 lanyard safety whistles, suitable for team and individual use. Premium Quality Whistle: This emergency whistle set is made of high quality plastic, very light, waterproof and durable. Double tube design, each whistle can emit high and low frequency sound. Gorgeous Color: Designed in distinct orange color, these whistles are very bright to attract the attention of the outside world and help you be easily spotted. SPECIAL DESIGN: The lanyard whistle is designed with a nylon clip and lanyard, which can be attached to a belt or life jacket. The rope length can be adjusted freely. Easy to hang around your neck and wrist wherever you want. EASY TO USE: These safety whistles are easy to produce and can be heard from a distance. They can also be used for sailing, hiking, boating, kayaking, camping, hunting, emergency survival, rescue and more. Packing list: 10 * lifesaving whistle We only sell lifesaving whistles, not other items in the picture. Due to the difference between different monitors, pictures may not not reflect the actual color of the item. Due to manual measurement, please allow slight errors in size.