These glass storage containers cover a range of common kitchen tasks, from freezing leftovers to reheating soups. They are made from thick borosilicate glass that tolerates a wide temperature span without cracking, making them suitable for freezer storage and microwave use with lids in place. Each set includes four 4-cup portions, totaling 32 oz. per container, which supports portion control and organized meal planning. The lids are designed to seal tightly to minimize leaks, while vented lids help manage steam during reheating. The square, stackable shape helps you maximize refrigerator and pantry space, allowing you to arrange containers neatly and access contents quickly. The materials are BPA-free and non-toxic, reducing the risk of chemical transfer to food, and the containers are safe for reheating directly in a microwave. Cleaning is straightforward, as the containers are dishwasher safe and can tolerate regular washing, and they can also be used in the oven for warming when needed. In daily use, these containers support meal prep, leftovers, and organized storage for soups, salads, and other side dishes, whether at home, in a shared break room, or during longer storage tasks. Size: small. Color: Clear.