ECHO CALLS INC XLT Ducks Black Single Reed Acrylic. It will produce a Loud Ringing Hail Call that will reach out when hunting big open water. And when you need to get Soft and Nasty the XLT Timber Call will put the finishing touches on those hard to work mallards. Specifications for ECHO CALLS INC 79005 XLT Ducks Black Single Reed Acrylic: Manufacturer: Echo Calls Color: Black Fabric/Material: Acrylic Species: Duck ECHO CALLS INC 79005 XLT Ducks Black Single Reed Acrylic