It can be used as a survival tool, and it is also suitable for various competition training. It is the best whistle for coaches and animal trainers. Use high-quality materials to prevent discoloration. Referee whistle size is 1.8”x 0.7”x 0.6”, small and lightweight Sports whistles are made of stainless steel with nylon lanyard. It's convenience to wear around your neck A great gift for trainers, teachers, trainers, children. Our whistle blows a loud and crisp sound with ease every time, and is made with good materials. Perfect for coaches and referees, the high-pitched sound easily muffles crowd noise and player chatter. It comes with a yellow braided cord that allows you to easily wear it. 💚 Kindly note 💚: If you would like to order more quantity than shown is available, you are welcome to place one order fox maximum available quantity and place one more order again because we always have more, than shows in available items. Regards