100 %COPPER PLATED: Dynore Peg Measurer is of the highest quality copper that complies with FDA regulations, Capacity: 30 and 60 ml, gives you the right proportion of alcohol in your favorite drink. Do not fill till top as it may spill your drink, Convenient double measure design saves you time and effort; just flip it over to your preference. The small side cup has a capacity of 30 ml and the big side cup holds up to 60 ml, Product Dimension-4.5x4.5x9.5 cm, Capacity- 30/60 ml