BPA free! Freeze or refrigerate fresh homemade baby food for later. Tray holds four 2 oz. cubes of puree. Lids interchange with Polypropylene Freezer cubes and snap securely for easy-to-go storage. Tray is stackable with glass or polypropylene cubes. Includes 1 tray 4 cubes with lids and 24 easy-peel labels. Dishwasher safe.