Aluminum foil facing and plastic wrap are both used for food storage, but they have distinct properties. Aluminum foil facing is a moisture-resistant barrier that reflects heat, making it ideal for cooking and reheating food in the oven or microwave. It's also good for sealing in freshness and preventing freezer burn. Plastic wrap, on the other hand, is a clingy film that tightly seals around food to keep it fresh. It's transparent, allowing you to see the contents, and is useful for covering dishes and bowls. However, it's not heat resistant and can melt or release harmful chemicals when heated, so it's not suitable for cooking or reheating food.