<http://schema.org/about>
"Target has introduced a new version of their bioplastic gifts cards. The cards are made with a corn-based material called Mirel from Metabolix. This bioplastic is said to biodegrade more readily than rival materials and, unlike others, it can break"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/clean-technology/targets-introduces-mirel-bioplastic-gift-cards.html>