Ziploc, 4 count, 3 cup, small square container, transparent easy to identify contents, versatile, for freezers, microwaves & dishwasher safe, saves space both in the refrigerator & in the cabinets, 1 press seal that allows you to close containers easily & securely, bumps guide stacking & keep multiple sized containers neatly organized, patterned lids & bottoms provide visual appeal.