G128 Combo Pack: USA American Flag & Chicago Flag 3x5 Ft Embroidered Spun Polyester, Indoor/Outdoor, Brass Grommets(1) USA American Flag 3x5 Ft Embroidered Stars Polyester and (1) Chicago flag 3x5 Ft Embroidered Spun Polyester. The American flag and the Chicago flag are BOTH made from vibrant 100% polyester fabric. Imported. BOTH flags are exquisitely embroidered with bright enriched thread. Flags fly in medium and strong winds Fly ends are secured with FOUR rows of lock stitching to prevent ripping and tearing. Heavy duty polyester canvas heading with two strong