This super loud whistles are made from premium stainless steel and it is food-grade stainless steel, durable and easy to use, won't readily rust or corrodemuch, better than plastic whistles. It is widely used in order maintenance, traffic command, situation control, emergency and disaster relief.PMS available for product color and imprint. Overseas production. Lower quantity available. Includes air freight except Q5 which is ocean freight delivered to NY.
