This baby food storage set includes 6 (4oz) glass baby food storage containers. Sage Spoonfuls ultra durable baby food jars are made from premium, temperature shock resistant borosilicate glass. These baby food jars can safely go directly from freezer to microwave without the need to defrost first. Easily portion, serve, store, and warm your homemade baby food all in the same container! Airtight and leakproof snap lids prevent freezer burn, keep food fresh, and liquids contained. These food storage jars are deal for at home or on-the-go. Handy measurement marks ensure perfect portions. These ultra durable glass baby food containers are multipurpose. Use them for homemade baby food, baby cereal, snacks, yogurt, hummus, breast milk storage, and more! Dishwasher, freezer, microwave, and oven-safe. BPA, Phthalate, Lead, and PVC-free.