Progressive International is your source for the widest range of functional, inventive, and fun kitchen tools and great ideas put into practice. Our in-house designers spend hours in the kitchen coming up with ways to improve on a variety of traditional tasks and tools. Established in 1973, our commitment to quality and service allows us to offer a broad selection of quality kitchenware and other household products. This 4 pc set of magnetic measuring cups include 1/4 cup, 1/3 cup, 1/2 cup, and 1 cup. The magnets keep the cups nested together for easy and convenient storage. The oval shaped design allows cups to fit into narrow containers easier. Dishwasher safe.