The Born and Raised Outdoors Kill Pack Call Kit is a 3x pack of cow elk diaphragms, including one of each of the Born and Raised Call Co. signature reeds. Features(1) The Reason (Blue) - Thin latex thickness, medium aggression tone and medium air pressure required(1) Committed (Yellow) - Medium to heavy latex thickness, subtle tone and very light air pressure required(1) Tagged Out (Black) - Medium latex thickness, medium aggression tone and medium amount of air pressure