Innobaby"s Keepin" Fresh™ Glass is 100% airtight, 100% leakproof, oven-, freezer-, and microwave- safe baby food storage solution. Lock in the freshness, prepare and store perfect potions, and keep baby foods securely contained at home and on-the-go. Innobaby"s Keepin" Fresh™ Baby Food Storage Solution is great for on-the-go families and designed for saving space in refrigerators and bags. Keepin" Fresh™ is available in various sizes to optimize storage size for food portions. Stage 1 is perfectly shaped and portioned for purees, cereals, breast milk and more. Stage 2 is perfectly shaped and portioned for diced fruits, vegetables, snacks and other finger foods. Oven-safe glass option is also available for baking home-made baby foods. BPA, phthalates, lead, and PVC free.