A New Cocktail Kingdom Original! 30ml (1 ounce) on one side and 60ml (2 ounce) on the other. Also has a .5 oz, .75 and 1.5 oz etching on the inside. Great for getting precise measurements. 18/8 Stainless Steel. Crafted from one piece of steel Durable for everyday use Accurate and consistent for getting precise measurements Interior markings 1/2oz, 3/4oz, 1½oz