The echo poly timber call is great when hunting areas such as the green timber.These calls are made from a hard bullet proof plastic called polycarbonate.These calls are designed especially for close-in calling.They are very easy to blow and produce a sound that is irresistible to ducks.Made in arkansas.Calls: DucksSpecies: DucksMaterial: PolycarbonateSound Species: MallardElectronic: NoColor: Smoke GrayStyle: Double ReedDifficulty Level: EasyHands Free: NoSounds: Mallard