As the World's No. 1 Vodka, Smirnoff No. 21 80 Proof Vodka delivers a dry finish for elevated smoothness and clarity. Each bottle is Kosher Certified, gluten free, and made from non-GMO corn for quality. Triple distilled and 10 times filtered using Smirnoff's multiple column filtration method, this award-winning vodka boasts a remarkable smoothness.