We are proud to include 2-Ply Polyester fabric in our product line. This 3' X 5' American flag is the "top of the line" choice in the polyester flag market. Woven of 2-ply polyester yarn that combines the strength of polyester with an additional richness of color. It is the natural choice of flag users who need the extra durability that can be gained by the use of the 2-ply polyester. Buy this large USA flag today.