Made of 100% high quality and food grade stainless steel, safe, durable and sturdy to use, corrosion resistant whistles with smooth surface, much better than plastic.
【Loud and Surround Sound】- Mushroom pea ball inside, makes it easy to throw loud, clear sound, less breathing than traditional whistles. The perfect combination of sound and line enlarges the sound, the penetration is stronger, the crispness is high, you can quickly attract the attention of the crowd at any time.
【Convenient and Portable】- Each whistle comes with a black lanyard, it can be easily hung around your neck, or mounted on the wall, helping you free your hand.
【Wide Application Range】- Perfect for referees, coaches, trainings, trainers, sports, lifeguards, teachers, self-defense, survival, emergencies, drivers, training bird or dog training and more.
【Warranty and Service】- Package includes 6 stainless steel whistles and 6 black cords, always much better for everyone