Lining with Eco-friendly PEVA aluminum foil material, interior padded with thick insulation foam, protect with oxford outer fabric. Designed with triple insulated to keep food stay cold/warm/fresh for 5 hours. The lunch bag (12.2" x 7.5" x 9") is designed for maximum storage efficiency, 1 large zipped room, 1 front zippered pocket, 2 mesh pockets , provides you with plenty of space to pack all of your food and snacks you need whole day. Features one reinforced lifting handle on top and comes with adjustable shoulder when carrying offer you more carrying options.Perfect for on-the-go meals, picnics, road trips, lunch at the office, the beach and more.