An ideal choice for people on the go， the Thermos brand 12 ounce Vacuum Insulated Food Jar with Microwavable Insert is built to last and loaded with features to make for a more enjoyable eating experience. Thermos vacuum insulation technology virtually eliminates temperature change within the food container by creating an airless space between two stainless steel walls. The result is an insulation layer that performs better than any other. A superior insulated container you can depend on to keep your food hotter， colder， fresher， longer. This food jar keeps items hot for 4 hours or cold for 6， making it a great choice for long days where mealtimes might be a little irregular.

Constructed with double wall stainless steel， this 12 ounce food jar is both sleek and functional. It’s made with an unbreakable stainless steel outer shell that keeps food hot for 4 hours or cold for 6 hours. It features a removable inner liner that is microwave and dishwasher safe. Food can be heated up at home in the morning in the microwavable liner， then placed in the stainless steel shell to be kept warm until lunchtime. It also has a wide mouth that makes it easy to fill， eat from and clean.

The Thermos brand 12 ounce food jar with microwavable container features premium， double wall vacuum insulation so the stainless steel body stays cool to the touch with hot items and condensation-free with cold items. Only the best materials are used to construct this food jar and it is 100% BPA-free.

In order to maximize the incredible insulation technology， it is recommended to either pre-chill or pre-heat the stainless steel food jar just prior to use. This can be accomplished by filling the food jar with cold or hot tap water， attaching the lid and letting it rest for a few minutes. Before you are ready to use， simply empty the water and insert the removeable liner that is filled with your favorite food item. Attaching the lid will further increase the thermal efficiency.