Length must be equal or greater than width. The regular slotted container is the most common container and has outer flaps that meet in the center. torkrullar Clamshell packaging, Electronic gadgets for All that is needed to assemble the box is by securing both top and bottom flaps with duct tape and you got yourself a box ready to be shipped. Regular slotted container design . It has 4 flaps on the top and bottom, where the outer (length) flaps meet at the center of the box. Regular slotted cartoon (rsc) this is the most common box style.due to its highly efficient design for many packing and storage applications. (rsc) a longitudinal seam box with four flaps on the top — the front and back flaps meet in the middle. This style is an economical solution for shipping, storage, and many other applications. Highly efficient design for many applications. Rsc glue tab + lwlw #0411. Rsc is a rectangle box which open from both top and bottom, and those lids meet in the m...