Patent ID: 7665896

Claim:
A plastic bag comprising: a first panel of substantially rectangular plastic film that includes a first oxygen barrier and a first heat sealable surface; and a second panel of substantially rectangular plastic film that includes a second oxygen barrier and a second heat sealable surface, the second panel having substantially the same dimensions as the first panel, the second panel joined to the first panel by three joined edges with the first and second heat sealable surfaces facing one another, the second panel including a plurality of air channels, each of the plurality of air channels having a first end and an opposing second end, wherein the first end of each of the plurality of air channels is adjacent an edge of the second panel that is not joined to the first panel, each of the plurality of air channels extends toward the joined edges from the first end to the second end, the second end of each of the plurality of air channels is closer to the unjoined edge than the joined edges, each of the plurality of air channels is spaced apart from an adjacent air channel by no more than a first distance, and each of the plurality of second ends makes a transition to a flat area of the second sheet that is spaced apart from a transition of an adjacent second end by a second distance that is greater than the first distance.