A device for selectively retaining a package opening in a gaping or open configuration, the device comprising: a circumferential strip configured for being secured to a package opening along an interior surface of a package body, the circumferential strip defining an opening axis; a pair of side seams formed as hinges, wherein the pair of side seams define opposed first and second ends of the device, the device being divided by the pair of side seams into first and second sides; and a pair of tabs extending in a first axial direction from an upper edge of the circumferential strip, one of the pair of tabs being positioned at each of the opposed first and second ends of the device, each one of the pair of tabs being coupled to the circumferential strip with a hinge, the pair of tabs being pivotable about the hinges in opposite directions away from the opening axis to respective folded-out positions, wherein each one of the pair of side seams intersects a corresponding one of the hinges of the pair of tabs such that folding of the device at the side seams inhibits pivoting of the pair of tabs to the respective folded-out positions, and folding of the device at the side seams is inhibited to retain a gaping open configuration of the device when the pair of tabs are in the respective folded-out positions, characterised in that the folding of the tabs forces the side seams into a straight configuration where ends of the two side portions combine to form a substantially flat or straight line section, meanwhile the portions of the circumferential strip that are not in overlapping arrangement with the tabs are free to flex and assume a curved shape. a circumferential strip configured for being secured to a package opening along an interior surface of a package body, the circumferential strip defining an opening axis; a pair of side seams formed as hinges, wherein the pair of side seams define opposed first and second ends of the device, the device being divided by the pair of side seams into first and second sides; and a pair of tabs extending in a first axial direction from an upper edge of the circumferential strip, one of the pair of tabs being positioned at each of the opposed first and second ends of the device, each one of the pair of tabs being coupled to the circumferential strip with a hinge, the pair of tabs being pivotable about the hinges in opposite directions away from the opening axis to respective folded-out positions, wherein each one of the pair of side seams intersects a corresponding one of the hinges of the pair of tabs such that folding of the device at the side seams inhibits pivoting of the pair of tabs to the respective folded-out positions, and folding of the device at the side seams is inhibited to retain a gaping open configuration of the device when the pair of tabs are in the respective folded-out positions, characterised in that the folding of the tabs forces the side seams into a straight configuration where ends of the two side portions combine to form a substantially flat or straight line section, meanwhile the portions of the circumferential strip that are not in overlapping arrangement with the tabs are free to flex and assume a curved shape.