Description Made of premium metal, the whistle is solid and durable. With loud sound, it is suitable for outdoor sports, like hiking, camping, climbing, etc. It is also for daily exercise, like pet training, football, basketball, soccer or others. With portable size, rope decor, it is easy and convenient to take it anywhere you want. Feature - Color: Black.- Material: Metal.- Size: About 5 x 1.8 x 2.1cm.- Sturdy metal design makes sure your whistle won't break while using for all your needs.- whistle with black lanyard, easy to carry, or only wear it around your neck.- Perfect whistles for coaches, referees, athletes, lifeguards, football, basketball, soccer, survival or emergency situation.- Lightweight and easy to carry.The loud sound you makes with this whistle can be heard from far distance.- Great accessory for lifeguards, animal trainers, and traffic police officers.Packing list: 4 x Whistles