U.S. Marines Corps Flag 2-Sided 3' x 5' - Brand New USA Military The U.S. Marines Corps Flag 2-Sided 3' x 5' is a brand new military flag featuring the iconic Marines design. Made from 100% polyester material, this flag is proudly crafted in the United States and showcases the colors of red and white with the official Marine Corps emblem. Perfect for outdoor display and a great way to show support for the United States military.