HW Heavy Weight 1000 denier tough-as cordura nylon material. Better than military specification. top quality craftsmanship, detailed construction, improving every last detail. Zipper closure with a snap cover. Bag contains reinforced foliage handles for easy carrying. Easy to store. Small size makes it great for maneuverability. This aviator crew bag is a perfect accessory for traveling. It will almost always be allowed on a flight as a carry on luggage.