A method for storage and transport of a commodity is described. The method may include the steps of placing the commodity in a long-term storage container, hermetically sealing said long-term storage container, and placing the long-term storage container in an outer container. The long-term storage container may include an outer layer, an inner layer, and a middle layer. The middle layer may be made of an ultra-low permeability material. The placing may include providing a capability of storing for at least four months.