Double Tubes Design - It come with 4 pcs emergency whistles in 2 color(gold and silver) with 4 pcs lanyard and key ring.Double-tube design,provide louder sound,can be heard for far distance.
Emergency Survival Whistles - Whistle features a bold,crisp sound,no moving parts,nothing to obstruct sound,and nothing to jam,it allows you to be well noticed in emergency.
Multi- purpose - A good item for daily life needs,not only suitable for emergency situation in sporting events,such us camping,hiking, boating,hunting,but also used as referee coaches whistle for tournament,or pet training.
Sturdy and Practical - These rescue whistles are made of heavy duty metal which it sturdy but light,with polished finish and anti-oxidation coating surface,solid and durable.
Convenient and Lightweight - The whistle with key ring and nylon lanyard,can tie on your backpack,keychain,or hanging on your neck,keep hands-free,also convenient for carrying and prevent from losing.