Mullingar Pewter Irish Flask Circular Stainless Steel & Pewter Whiskey Flask 5 Fl. Oz. Made in Ireland Irish flask holds approximately five fluid ounces, an easy size to carry around. Crafted from stainless steel, flask features a decorative center made from pewter. Comes in a gift box making a great gift for any occasion. Crafted in Co. Westmeath Ireland by Mullingar Pewter.