Patent ID: 8753013

Claim:
A self-standing bag comprising: a package for accommodating a content; a port provided on a top of the package; and a reinforcing member for covering an outer face on a side edge of the package, wherein the reinforcing member is formed of a thermoplastic resin, wherein the reinforcing member is formed by injection molding, and is formed to have a U-shape cross-section such that the outer face on the side edge of the package is sandwiched from the both sides by the reinforcing member, wherein the lower end portion of the side edge of the package has a lower cutout, wherein the upper end portion of the side edge of the package has an upper cutout including an upper cutout face, wherein the bottom end of the reinforcing member is located above the bottom edge of the package, wherein the top end of the reinforcing member is located above the upper cutout face, and wherein the lower cutout and the upper cutout pass through the package in a thickness direction of the package.