Rothco 10364 scout guide whistle. Made from 100% high grade steel (silver plated color) with metal key ring attachment. Lightweight extra durable. Planting surface with shiny silver luster. 3 chamber produced piercing decibel levels that can be heard above crowd noise. No cork ball no more moisture germs being absorbed into cork surface. Pocket size. Super loud clear tone shrills when blown. Can be use for walking, hiking, camping, sports emergency kits and more.