Regular slotted container (RSC)

The standard shipping box: one blank, four panels, all flaps half the box width, outer flaps meeting in the center.

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Related terms

FEFCO code
A four-digit number naming a box design in the international case code kept by FEFCO, the European federation of corrugated board makers.
Half slotted container (HSC)
A slotted box with bottom flaps only, closed with a separate cover.
Full overlap (FOL)
A slotted box whose outer flaps are as long as the box is wide, so they overlap completely when closed.
Center special slotted container (CSSC)
A slotted box with inner flaps cut to half the length and outer flaps to half the width, so both pairs meet in the center.
Die-cut
Cut and scored by a shaped steel-rule die rather than by the straight slotting knives used for slotted boxes.
Fill-in pad
A loose sheet of board laid between the inner flaps of a slotted box to give a flat, full floor.

Definitions written by Packgent, last reviewed 2026-10-27. All terms.