Patent ID: 7163340

Claim:
A folding bag comprising, in combination: a generally rectangular parallelepiped container having at least five sides including a flexible material, generally rectangular bottom side having four corners, a front side, a back side spaced from the front side, a first lateral end side and a second lateral end side spaced from the first end side, said sides joined by flexible junctures to enable said lateral, front and back sides to be folded relative to each other, said bottom side including a diagonal slit extending between non-adjacent corners and a material connection device for joining the sides of the slit; and a generally rigid panel generally congruent in size and shape with the bottom side, said rigid panel flexibly attached along a seam between the bottom side and one of the other sides of the bag whereby the rigid panel may be folded against the bottom side to maintain the bottom side configured in a rectangular shape, and pivotal about the seam from the bottom side to enable collapsible folding of the bag.