Folding carton, clamshell box, storage box, storage box, storage box, file box, data file storage pa

Folding carton, clamshell box, storage box, storage box, storage box, file box, data file storage package storage carton, double cover carton

This package is extended and folded from the bottom, double-folded on the side to fix the card, and the back is extended to make a double-layered cover.

Packaging structure characteristics:
1 One piece of paper is formed, no glue is needed, and the sticky box is snap-shaped, green and environmentally friendly;
2 The clamshell structure is used many times, and the double-layer structure has good cushioning performance;