Great tasting ready drink. Just take home, chill and enjoy. Best served chilled to enjoy its great taste. Smirnoff No. 21 Premium vodka mixed with cola (with caffeine). Host the perfect party by serving bar quality Smirnoff Cocktails at home. You are guaranteed the perfect cocktail in every pour. Smirnoff No. 21 Premium vodka mixed with cola (with caffeine). Serve chilled in a tall glass over ice with a wedge of lime.