Maintains your food with Insulation for longer periods of time. These Thermos Food Jars are perfect for folks who keep active lives yet love fresh food. The Vacuum Insulated Baby Food Jars are equipped with a TherMax® dual-wall vacuum lining design. Crafted with non-harmful materials, the Foogo® Vacuum Insulated Food Jars are durable and scratch-resistant, and come with no-leak valves as well as seal-tight lids. These food jars are crafted from FDA-approved supplies and are BPA-free. Tough, Ergonomic, these Jars come with a capacity of holding up to 10 ounces of liquids and food.