the present invention relates to an improved container for food and non - food products . the container utilizes a novel paperboard barrier laminate structure which maintains an isolated gas environment in the container . the laminate makes use of a high strength , heat - resistant and caulking polymer layers which prevent pinholes , cuts , or cracking of the barrier layers during blank conversion , package formation , and package distribution . in addition , the novel polymer resin layers act to caulk the seams and channels present in the carton providing a sealed leak free container .