and referees will appreciate the reliability of this black ABS whistle. Its thickened material ensures durability, while the loud, clear sound helps in managing games and training sessions. The lanyard makes it easy to wear around your neck, can focus on the game without worrying about losing your whistle. It's an essential piece of equipment for any sports professional. Features -Color:Black -Material:Abs -Size:4.60X2.00X1.80cm/1.81X0.79X0.71in -Portable design: the small and lightweight design allows for easy portability, ensuring you can have it on hand whenever needed. -Clear and loud: made from thickened abs material, it produces a clear and loud sound that can effectively attract attention in various scenarios. -Versatile functionality: suitable for referees, it is also ideal for survival and outdoor activities, providing a dependable safety measure. -Durable build: the adhesive bonding technique enhances its durability, making it a reliable tool that can withstand longterm use. -Emergency response: in emergencies, this whistle can quickly emit a signal to draw attention, significantly improving personal safety. Package list: 2 x referee whistles