Every 30A dumpster diver shirt is made from recycled plastic that could otherwise end up in our oceans. White, blue and pink shirts are made from clear water bottles. Green shirts are made from green plastic bottles. Brown shirts are made from brown plastic bottles. Black shirts are made from plastic to-go boxes. Grey shirts are made from recycled x-ray film. every shirt saves an average of 8 bottles from landfills and is blended with recycled cotton so they're unbelievably soft. 30A's recycled plastic yarn is made in the U.S.A. and the print their shirts in Santa Rosa beach, Florida.