LA MERCED Barbacuá is a very special yerba. It is the premium yerba produced by Establecimiento Las Marias, one of the largest producers of yerba in Argentina. It is the product of a special climate and soil and this and its special processing make it a yerba of superior quality and limited production. It has a distinct and unmistakable flavor with all the characteristics of the best yerba mate, produced by those who know best!!