Progressive International Collapsible Measuring Cups, Blue Collapsible blue/frost measuring cups; expand to use, collapse to store Set of 5 includes: 1/4, 1/3, 1/2, 3/4 and 1 cup measurements Storage ring to keep cups together; Easy to read standard and metric measurements Collapsing measuring cups make it easy to pop out sticky ingredients like brown sugar or peanut butter; dishwasher safe