The Two-Layer Bubble Style Thick Insulation Thermal Bag with Bottles is a spacious lunch bag designed to keep your family's meals fresh and at the right temperature all day. It features dual insulated compartments, a leak-proof lining, and thick foam insulation that keeps food warm for up to 6 hours or cold for up to 12 hours. Mama, you can pack your kids' baon with confidence, knowing everything will stay perfectly fresh, organized, and spill-free from home to school.