| CPC B65D 5/60 (2013.01) [B65D 77/04 (2013.01); B65D 81/3888 (2013.01)] | 23 Claims |

|
1. An insulating bag comprising:
a pair of opposing side panels;
a pair of opposing main panels, each side panel attached to each main panel, the pair of opposing main panels and the pair of opposing side panels together defining a top bag end and a bottom bag end opposite the top bag end;
a pair of opposing main top flaps, each main top flap hingedly connected to a corresponding one of the main panels at the top bag end;
a pair of opposing side top flaps, each side top flap hingedly connected to a corresponding one of the side panels at the top bag end; and
a bottom panel disposed at the bottom bag end;
wherein:
the insulating bag comprises a paper base layer, a temperature-preserving liner applied to the paper base layer, and a protective layer positioned over the temperature-preserving liner;
the insulating bag defines an interior cavity configured to receive bag contents therein;
a top slit is defined between each adjacent pair of the side top flaps and the main top flaps;
the temperature-preserving liner comprises a metallized film layer; and
the protective layer is configured to protect the metallized film layer from oxidation.
|