SPANISH Military duffel. These mats you recoradarán the backpack that you used in the military . And that is accurate about the types of military duffel that were manufactured replicas. Both 30 liters as 50 liters . They are made of very good quality, and can carry both shoulder like a suitcase , with its two handles. You can use it instead of a backpack, or to replace the typical maleta. UNITED STATES MILITARY MILITARY DUFFEL . You can buy the Military duffel80 liters NORTH AMERICAN only 35 euros , in Insigpol have stock of all the mats you see. A lighter green than the Spanish military backpack , is just as tough. Seen in the US duffel letters in white. We also have the MACUTO WORLD WAR II .