The Allegiance Clothing Defend the 2nd Flag. Our flags are constructed from two pieces of high quality 210D polyester double stitched together for extra durability, a shade cloth in between, and two metal grommets. These flags are extremely durable and are perfect for outdoor or indoor use! Flags are all 18" X 30" . This flag is perfect to fly anyplace, anytime, anywhere! Show your Allegiance!