University of Pennsylvania’s 2010 graduating class will be wearing caps and gowns made of 100% post-consumer recycled bottles, as part of their effort to go green. According to the manufacturer, Oak Hall Cap & Gown of Virginia, the fabric is spun from molten plastic pellets and each gown is composed of about 23 bottles.
http://www.philly.com/philly/wires/ap/news/state/pennsylvania/20090901
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