Crossed banded collector folder has at least two leaves joined by elastic bands and incorporating at least one flat box. with connecting openings and splint

摘要

The folder has at least two leaves (3a,3b) joined by several elastic bands (2a,2b) and made of cardboard, plastic or other material and folded along fold lines. At least one leaf is in the form of a flat box. The boxes have side connecting openings and are lined with corrugated paper. At least n of the elastic round bands has a splint at the end.