Saran is a brand of plastic wrap owned by Dow Chemical Company. It is one of the most popular brands of plastic wrap in the United States and is known for its strength and durability. Alcoa is an American aluminum company that produces a variety of products, including aluminum foil. It is one of the largest aluminum producers in the world and has been in business since 1888. Together, Saran and Alcoa are big names in wrapping, providing consumers with reliable and high-quality products.