Overlap Slotted Carton (OSC)

All flaps have the same length. The outer flaps overlap by one or more. The box is easily closed, usually with staples Overlap Slotted Carton (OSC)driven through the overlap area. This style is used when the length of the box is considerably greater than the width, resulting in a long gap between the inner flaps. The sealed overlap helps to keep the outer flaps from pulling apart.