Resealable lidding for rigid thermoformed tubs

A method of making a packaging structure, the method comprising:

• providing a base member defining a cavity configured to receive an item therein, the base member comprising a flange;
• providing a flexible film inner structure and a flexible film outer structure;
• forming a laminate by adhering the outer structure to the inner structure;
• scoring the outer structure to form at least one outer line of weakness defining an outer opening portion that is separable from the outer structure along the at least one outer line of weakness;
• scoring the inner structure to form at least one first inner line of weakness defining an inner opening portion that is separable from the inner structure along the inner line of weakness;
• scoring the inner structure to form at least one second inner line of weakness;
• cutting a perimeter line through both the outer structure and the inner structure of the laminate to form a lidding member, wherein the perimeter line comprises a pull tab, wherein:
• the perimeter line intersects the at least one outer line of weakness adjacent opposite sides of the pull tab;
• and
• the at least one second inner line of weakness is disposed between the pull tab and the inner opening portion;
• and
• permanently sealing the lidding member to the flange to form a seal area, wherein the at least one second inner line of weakness is disposed at least partially within the seal area.