Fill-in pad
A loose sheet of board laid between the inner flaps of a slotted box to give a flat, full floor.
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Related terms
- Regular slotted container (RSC)
- The standard shipping box: one blank, four panels, all flaps half the box width, outer flaps meeting in the center.
- Inner flap
- The flap that folds in first. On slotted boxes the inner flaps sit on the width panels.
- 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.
Definitions written by Packgent, last reviewed 2026-10-27. All terms.