Yamato Packing Technology Institute Co. Ltd. in collaboration with TOPPAN PRINTING CO. LTD. developed a cool box made up of corrugated fibreboard.
The coolbox has the efficiency of insulation what is equal to the 18mm of EPS.
It is made of the cardboard with special printing on inner surface and forms a uniform air layer by a double structure all round.
This box is recyclable and suitable for storage and disposal.