Each bottle contains a blade of bison grass added by hand, giving Żubrówka its unique and aromatic taste. Using century old traditions and state of the art technology, each bottle contains a blade of bison grass which is added by hand, it is this which gives Żubrówka its unique and aromatic taste, making every bottle truly unique!A taste of real nature. Żubrówka is the world’s Number 3rd biggest Vodka brand, and Bison Grass is a prolific gold medal winner. The legendary Żubrówka story started over 500 years ago in the primeval Białowieża forest. A forest that makes up Europe’s invaluable green lung. A world heritage site protected by UNESCO where Europe’s last remaining herds of wild bison roam free and where wild bison grass grows in the glades.Possible sedimentations are acceptable and caused by addition of natural ingredients.