Multipack beverage container insulation system

An insulation system for beverage containers comprising:

• a beverage package, wherein the beverage package contains a plurality of beverage containers stacked in a prone configuration, and wherein the beverage package includes a handle at a top surface of the beverage package with the handle being configured to be used to transport the beverage containers;
• and
• an outer container for insulation of beverage containers, the outer container comprising:
• a base portion;
• at least one side panel which extends upwardly from the base portion;
• an additional side panel which extends upwardly from the base portion, wherein the additional side panel is at least partially removable from the outer container to define an outer container opening when the additional side panel is in an open state, and the additional side panel is hingeably attached to the outer container;
• a top portion, wherein an access opening is defined in the top portion;
• and
• an access flap that is hingeably attached on the outer container at a location proximate to the top portion of the outer container,
• wherein the outer container is configured to receive the beverage package through the outer container opening, wherein the access flap is configured to cover the access opening when the access flap is in a closed state, wherein the access flap is configured to expose the access opening when the access opening is in an open state, wherein the outer container opening provides access to an internal volume of the outer container, wherein the access opening also provides access to the internal volume of the outer container, wherein the access opening is configured to allow access to the handle of the beverage package, and wherein the access opening is smaller than the beverage package.