Baby Blocks Food Storage Containers for Breastmilk, Baby Food and Snacks — LeakproofGive homemade baby food the same care you put into preparing it. These food storage containers make it easy to portion, store, freeze, heat and serve the meals you've cooked especially for your little one. Use the measurement markings to portion out perfect servings, then pop containers into the freezer or toss one in your diaper bag for simple defrosting and feeding when you're out and about. On the go? The lids are airtight, watertight and leakproof