South african retailer woolworths introduced a new form of packaging for it&rsquos on the go sandwiches that are made from fsc certified cardboard with a cornbased plastic window. The packaging design is also innovative. The cleverly designed box &lsquounzips into a handy, selfcontained and disposal tray. The packaging is based on renewable and sustainable resources. It is the first time that certified sustainable cardboard is being used in south african food packaging.