All-purpose Measure Master? Graduated Rectangular feature easy to read U.S. ounce, cups and metric milliliter graduations. Measure Master? Graduated Rectangular Containers are made from an impact resistant and translucent plastic for durability and clear view of liquid levels. Imprinted on these containers are a raised scale and numerals for easy reading. Available In 4 different sizes: 8 oz/250 ml, 16 oz/500 ml, 32 oz/1000 ml and 64 oz/2000 ml.