Petite Creations Baby Cubes are designed to keep homemade baby puree as fresh as the day you made it. Reduce waste and only defrost what you need. Baby Cubes are dishwasher, microwave, and freezer safe. The lids attach directly to each cube for convenience, and Baby Cubes stack easily in the freezer, saving space. Included on tray is a “removable plaque’’ you can write on to show date and meals prepared (use dry eraser marker only). Baby Cubes come in 3 sizes - 1 ounce, 2 ounce, and 4 ounce - collect them all and mix and match all sizes. Baby Cubes are BPA and phthalates free. Petite Creations is a family run business that looks for unique baby products from around the world. The utmost consideration and emphasis is always on product quality and safety.