BPA free. Freeze, store and serve from the same container. Freeze and serve fresh baby food. Great for breast milk and snacks too. Easy freezer organization! Color coded cups. Interlocking trays. Easily pop out food. Silicone cups that you can use to freeze, thaw and serve baby food - making your own baby food is now easy peasy freezy. It's the little things. Silicone. Food safe. Freezer safe. Microwave safe. Cups come in an assortment of lid colors so you can use different colors for fruits, veggies, and meats. Trays interlock to make it easy to store multiple sets of cups in the freezer. Made in China.