Versatile backpack

A backpack comprising:

• pliable sack having a front wall, a rear wall, a first side wall, a second side wall, a bottom surface and a top surface defining a compartment, wherein the bottom surface includes an inside surface on the compartment side of the bottom surface and the top surface defines an upper inside surface on the compartment side of the top surface;
• frame supporting the sack, the frame comprising a first frame member and a second frame member, wherein the first frame member is positioned adjacent to one of the walls selected from the front wall, rear wall, first side wall and second side wall;
• and wherein the second frame member is positioned adjacent a different one of the walls selected from the front wall, rear wall, first side wall, and second side wall;
• wherein the first frame member is parallel to the second frame member, wherein the first and second frame members each have a top portion in the direction of the top surface, and the first and second frame members each have a bottom portion in the direction of the bottom surface, wherein the bottom portion of each of the first and second frame members extends at least to the inside surface of the sack, wherein the backpack can be placed in an upright position on the bottom portion of the frame;
• and
• at least a first frame support member comprising a first end and a second end oppositely disposed from the first end, wherein the first end removably communicates with the first frame member and the second end removably communicates with the second frame member to prevent the first and second frame members from being moved into a position parallel and adjacent each other when the first frame support member is in communication with the first and second frame members.