Material100% Oxford cloth Features: 1.Double-layer design: double-layer lunch bag adopts large-capacity double-layer design. The front bag is very suitable for condiments, napkins or telephones. 2.Excellent structure and robustness: The exterior of the Lunch Bag is constructed out of 1680D water-resistant dirt-proof Oxford fabric for durability and water proofing and easy cleaning. The interior lining was made of PEVA fabric and padded with 5mm EPE foam for great thermal resistance. 3.Comprehensive design: Seamless one-piece aluminum lining elimates leakage problems, classic adult looking black appearance with a padded handle and a detachable/adjustment shoulder strap that you could carry it in 3 modes--crossbody, shoulderbag and handbag, totally customizable for your different needs. 4.Multipurpose lunch bag: It's a large double compartments lunch bag, two sections that keep cold and warm food separately without worrying about the temperature.enough to hold your to carry whole day food and personal accessories,1 exterior zipper bag,You can hold all your spoon, Knife, fork, chopsticks and other essential stuffs in your bag when you go out.