The Korongo Submersible Pack is one of the most heavy duty and reliable water proof packs on the market today. It features fully welded seams and submersible zipper which makes the Korongo Submersible Pack water tight and air tight. Molle webbing on the front and back makes it a versatile modular pack allowing you to integrate it with other gear. Great for anything keeping you active in the outdoors the Korongo Submersible Pack is built from super heavy duty 20 oz. polyurethane and sets the standard for what a dry bag should be. Hand made in the USA.