Paquete
1.20mm thick strong plywood cases as glass packing.
2.There is a thick corrugated paper between two sheets
3.There are 20mm thick plyfoams on two sides of cases and 10mm thick plyfoams on bottom of cases.
4.The four corners of cases are nailed by iron.
5.Every two cases are wrapped together by iron-plastic belts.
6.There are 68sheets or 72sheets per case.