Give homemade baby food the same care you put into preparing it. Easily portion, store, freeze, heat and serve the meals you've cooked especially for your baby using these convenient containers. Each container fits into the freezing tray, and has measurement markings to make portioning a snap. On the go? The containers are airtight, watertight and leak-proof. Peek at the clear Containers to identify the contents, then pop one into your bag for simple defrosting and feeding when you're out and about with your tot. An easy-open, easy-shut lid makes the Baby Blocks a carefree choice.