Thanks to upgrade insulated Hot-Pressed Seamless liner with three layers of high-quality insulation materials, keeps your food cold/warm/fresh up to 8 hours. You can enjoy perfect tasting meal wherever you are.Surface made of top oxford and materials that 100% Water-resistant, durability and easy maintenance. Leak-proof inner lining easy to clean, If your sauce or soup spills inside, just a wipe with damp cloth and it’s good as new, 100% non-toxic.