This jigger has one job and it does it well! Measure your ingredients perfectly every time, then toss it in the dishwasher. It’s durable and built to last, even if you dropped it. Larger side is 2oz and has lines marking a Bar Spoon, 1 oz, 1 1/4 oz, 1 1/2 oz, and 1 3/4oz. Smaller side is 1oz and has lines marking a 1/4 oz, 1/2 oz, and 3/4 oz. Made from Stainless Steel 304 (That’s the quality, food-grade stuff). Dishwasher safe.