Patent ID: 7416336

Claim:
A bag comprising: a receptacle having a mouth and an interior volume; a string zipper installed in said mouth and comprising first and second flangeless zipper strips; a slider mounted to said string zipper; a membrane depending within said interior volume to block access to a portion of said interior volume when said string zipper is open; and a hood joined to said receptacle and shrouding said mouth, wherein said receptacle comprises first and second outer walls and said hood comprises first and second portions that are respectively joined to respective first portions of said first and second outer walls in first and second zones of joinder respectively, said first and second zones of joinder being disposed at elevations lower than the elevation of a lowermost portion of said string zipper, and wherein said receptacle further comprises first and second inner walls integrally formed with and connected by said membrane, respective first portions of said first and second inner walls being respectively joined to said respective first portions of said first and second outer walls in said first and second zones of joinder respectively, wherein respective second portions of said first and second inner walls are respectively joined to respective second portions of said first and second outer walls of said receptacle and to respective backs of said first and second flangeless zipper strips respectively in third and fourth zones of joinder respectively.