Duplex Board Carton Box, offered by GSN Packaging Private Limited, is a type of paperboard as well as cardboard. It is made up of two layers. It has an exterior coating that makes it water-resistant with a glossy sheen. This is a tough and thin carton box of good appearance. Duplex Board Carton Box is needed to create the boxes for a wide variety of small goods. This is suited for pharmaceutical packaging and is needed for the making of garment boxes, paper plates and cups.