The chemical, known as allyl isothiocyanate, is one of the main active ingredients in packing material made by YCM Co., of Taiwan, according to a civil lawsuit filed Tuesday by competitor Micro Pak, of Hong Kong. The two companies both make items to thwart the growth ugg 5202 sales cheap of fungus or mold, which can ruin shoes during shipment by sea. Come from Asia aboard cargo container ships that take multi day ocean voyages, footwear manufacturers commonly put some kind of anti moisture packi