Zubrowski Bison Grass Vodka is a flavored Polish vodka which contains a bison grass blade in every bottle. The Zubrowski brand name is also used on bottles of conventional vodka labeled as Zubrowski Biana. An easy way to tell the difference is to look for the blade of grass in the bottle. The grass is sourced from the Bialowieska Forest hand-picked and dried under natural conditions. Zubrowka is a Polish Vodka and is a leading vodka in Poled. Traditionally mixed with apple juice garnished with a wedge of lemon and served over ice. Alcohol strength 40 percent Pack format Bottle.