ECHO CALLS INC ODB Ducks Flat Black Single Reed Acrylic. It blows loud for longer distance calling but still comes down to a soft close in quack. Perfect for an all around duck call. This Call is the Swiss Army Knife of duck calls. It is so easy to blow and is able to make Cajun squeals and bouncing hens. This call has incredible range from top to bottom. Specifications for ECHO CALLS INC 88004 ODB Ducks Flat Black Single Reed Acrylic: Manufacturer: Echo Calls Color: Flat Black Fabric/Material: Acrylic Species: Duck ECHO CALLS INC 88004 ODB Ducks Flat Black Single Reed Acrylic