Abstract: A clip for use with a carton having folding closure flaps wherein such clip may be selectively used to maintain such flaps in a closed position or to maintain adjacent flaps in an open position. The structure of the clip includes separate wing-like members interconnected at base portions thereof and an elongated leg connected to such wings at their base portions and extending therebetween preferably to a position substantially forward of the forward terminal portions of such wings. Portions of the carton are disposed in frictional engagement between the lower surfaces of the wings and the upper surface of the leg when the device is utilized in either of its above indicated alternative modes.