US military duffle bag or sea bag as the navy calls it . This workhorse has been the military standard for over 50 years. If you already have one, you probably need another. They are made of heavy duty, water-resistant, codura nylon. Can be carried with side handle or worn on back with the adjustable padded pack straps. Small outer pouch to carry tickets, passport, etc. 16” dia. x 34” long overall. Olive Drab in color. Used, good condition. All of these were issued, stamped with the soldier's name (which we blackout), unit and mission marks. Show slight wear and tear. But all parts and pieces are intact and functioning properly. Lots of shelf wear. Original surplus.