Aluminum Whistle EDC with Key Chain

This whistle has durable aluminum body comes with key chain ring, Count on quality and safety.It is not only suitable for emergency situation in camping, hiking, boating and other outdoor activities, but also referee, coach, lifeguard, pet dog training, school sports, competition, etc.It does not contain pea balls made from cork to avoid unsuitable use after go moldy and freeze. It has 6 colors. Laser logo on the front, so your brand will have continued exposure with a lasting impression!