Suitable for both kids and adults, this whistle is a great addition to any sports or recreational activity. Its user-friendly design makes it easy to blow, producing a strong and consistent sound. The lanyard ensures it can be worn comfortably around the neck, making it a convenient and reliable tool for any occasion. Features -Color:Silver -Material:Iron -Size:4.00X2.00X1.80cm/1.57X0.79X0.71in -Loud and authoritative: ensures your are heard clearly and loudly, great for and referees. - signal: the whistle sound can quickly attract attention in outdoor emergencies, ensuring timely help. -Versatile sports use: suitable for multiple sports such as football, basketball, and volleyball, meeting diverse sports needs. -Portable and lightweight: easy to carry, can be worn on the waist or chest, ideal for both indoor and outdoor use. -great and : built to withstand longterm use, resistant to damage, ensuring consistent performance. Package list: x whistles