Scout Guide Police Metal Whistle DB 90 Polished Chrome (10364)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.Carries great distances outdoors with ultra shrill tone.Classical design ensures faultless performance.Dimensions: 3" long x 0.75" diameter.Ideal for outdoor sports games, walking, hiking, camping, emergency kits, survival accessories, police officers, security personnel, scout guides & more!