A pouch comprising: a pouch body formed from a first flexible film and comprising a front wall and a rear wall, the front wall and the rear wall each comprising a first end (16, 17), a second end (18, 19), and side edges connecting the first end (16, 17) and the second end (18, 19), wherein the rear wall is adhered to the front wall at corresponding first ends (16, 17) to form a first end seal and corresponding side edges to form side seals; a collapsible perforated folded panel formed from a second flexible film and attached to the front wall and the rear wall at interior portions of the front wall and the rear wall, respectively, such that the attachment of the collapsible perforated folded panel to the front wall and the rear wall define a pouch chamber; and an opening seal disposed between the collapsible perforated folded panel and the second ends (18, 19) of the front wall and the rear wall, wherein the opening seal adheres the second end of the front wall to the second end of the rear wall which thereby conceals the collapsible perforated folded panel, wherein release or removal of the opening seal is operable to expose the collapsible perforated folded panel by separating the front wall from the rear wall along the second ends (18, 19) and application of a pull force to the second end of the front wall and to the second end of the rear wall is operable to outwardly expand the collapsible perforated folded panel to allow draining of liquid or dispensing of dry powder or flakes from the pouch chamber, wherein the collapsible perforated folded panel comprises a release member extending outside the pouch chamber, wherein application of a pull force to the release member is operable to release the collapsible perforated folded panel from at least one of the front wall or the rear wall. a pouch body formed from a first flexible film and comprising a front wall and a rear wall, the front wall and the rear wall each comprising a first end (16, 17), a second end (18, 19), and side edges connecting the first end (16, 17) and the second end (18, 19), wherein the rear wall is adhered to the front wall at corresponding first ends (16, 17) to form a first end seal and corresponding side edges to form side seals; a collapsible perforated folded panel formed from a second flexible film and attached to the front wall and the rear wall at interior portions of the front wall and the rear wall, respectively, such that the attachment of the collapsible perforated folded panel to the front wall and the rear wall define a pouch chamber; and an opening seal disposed between the collapsible perforated folded panel and the second ends (18, 19) of the front wall and the rear wall, wherein the opening seal adheres the second end of the front wall to the second end of the rear wall which thereby conceals the collapsible perforated folded panel, wherein release or removal of the opening seal is operable to expose the collapsible perforated folded panel by separating the front wall from the rear wall along the second ends (18, 19) and application of a pull force to the second end of the front wall and to the second end of the rear wall is operable to outwardly expand the collapsible perforated folded panel to allow draining of liquid or dispensing of dry powder or flakes from the pouch chamber, wherein the collapsible perforated folded panel comprises a release member extending outside the pouch chamber, wherein application of a pull force to the release member is operable to release the collapsible perforated folded panel from at least one of the front wall or the rear wall.