The Express Bottle and Baby Food Warmer heats evenly in under four minutes, without destroying nutrients or causing hot spots like the microwave. Use the warmer for quick, safe heating of refrigerated or frozen breast milk, jarred baby food and more. The Express Bottle and Baby Food Warmer is safe for use with any bottles or cups, including the Avent VIA Breast Milk Storage Containers. The Express Bottle and Baby Food Warmer also includes: 4-oz. Storage Container with Sealing Disc (nipple not included) Feeding spoon NOTE: Never use the microwave to heat baby food or breast milk. Microwaves heat unevenly, causing dangerous hot spots.