Carlton's essential elk hunting 4-pack includes the premium flex single reed double reed triple reed and 2.5 reed calls in a diaphragm stack case.Using our premium flex process stretching the latex in an exact 180-degree arc while locking it precisely into place we create the perfect sound and fit.Made with ultra-durable infinity latex the result is longer lasting calls with superior sound and consistency.Species: ElkMaterial: Infinity LatexElectronic: NoColor: YellowStyle: Mouth