The invention relates to means for filing documents without fastening devices, and more particularly to ducts archival with foldable stoppers comprising binding base divided into five parts, are formed by folds bottom, two sidewalls, a top cover coupled to one of the sidewalls and side flap connected to the second side wall, wherein on the inner side of the bottom, at opposite ends thereof fixed folding abutments and can be used for archiving and document storage. The inventive folding abutments are formed as rectangles having two sections with opposite ends along the longitudinal axis of symmetry, adapted for folding folding stops at right angles to the longitudinal axis of symmetry and bending the opposite ends at right angles to the cut size to overlay said ends to each other and the compound with glue or double-sided tape. Collapsible stops made at least of two-layered material, one of which is made of micro-corrugated cardboard or the binder, and the second layer is made of paper or other binding material, wherein all the layers are interconnected by adhesive. The achieved technical result - an increase of strength and durability of archive box.
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