The present invention provides a container suitable for providing insulation wherein the container has an inner shrink film liner. The sidewalls of the container, which can be made from paperboard or other suitable material, are vented to allow ambient air to freely flow through the sidewall of the container...http://www.google.com/patents/US20070029332?utm_source=gb-gplus-sharePatent US20070029332 - Container employing inner liner and vents for thermal insulation and methods of making same
