Lining with Eco-friendly PEVA aluminum foil material, interior padded with thick insulation pearl foam, protect with oxford outer fabric. Can keep food stay cold/warm/fresh for 5 hours. Double deck lunch bag (9.8"LX7"W X10.8"H ) is designed for maximum storage efficiency, 1 main zipped compartment, 1 front zippered pocket, 2 mesh pockets and 1 internal mesh pocket, not only provides you with plenty of space to pack all of your food and snacks , as well as pack your keys, cards, phone chargers, napkins, water bottles, utensils, other small stuffs you daily needs. Features one reinforced lifting handle on top and comes with a removable and adjustable shoulder when carrying.Perfect for on-the-go meals, picnics, road trips, lunch at the office, the beach and more.