Sportdog Roy Gonia Special Orange Whistle. With a high-pitched no trill design this Dog Gear and Training by SportDOG Brand lets your call be heard from the thick forest and on the phone line by providing the command "HEE-HAW" and "ROY-GO-GO" with no frills or extra volume. The shape of the SportDOG Roy Gonia Special Orange Whistle is easy to blow so even if you have a cold nose you won't have to blow so hard that you risk damaging your lungs. This design makes the SportDOG Roy Gonia Special Orange Whistle w/ Pea easy to control and direct the call where you want; just like a veteran caller who knows exactly what you want. Specifications for Sportdog Roy Gonia Special Orange Whistle: Manufacturer: SportDOG Dimensions: 0.85 X 3.60 X 5.25 in Package Contents: Sportdog Roy Gonia Special Orange Whistle Sportdog Roy Gonia Special Orange Whistle