Whiskey Glass 1 1/2 oz. Sturdy, reliable, and durable, 1.5 ounces is perfect for any liquor. Vodka, gin, whiskey, rum – easy to measure, easy to pour, and easy to throw back. These glasses are made to be used and reused, washed and rewashed, handled and rehandled. Every bar, restaurant, tavern, and club needs a reliable shot glass. This is it.