When you package your foods with aluminum foil you are avoiding a large number bacterias that could end up floating around in your home cooked meals. Although there are a few disadvantages to using foil compared to other packaging products, the advantages truly out weigh the negatives. Before deciding on whether or not you want to use foil or plastic, be sure to look for the pros and cons of each product before you make your purchase. Below you will find a list of great advantages to using aluminum foil to package your foods. http://www.cnxinmingyu.com/aluminum-foil/