Regular slotted containers (RSC) is a common carton style that includes four flaps on the top and bottom ends. The two outer flaps have longer lengths so that they meet at the center of the package when closed.
Regular Slotted Container
Two larger outer flaps are folded over the smaller inner flaps to meet at the centre of the box.
Two smaller inner flaps are first folded, with the two larger outer flaps folding on top for closure.
Two outer flaps are folded over the inner flaps to meet at the centre of the box. Tape is required to seal the closure.