: Heavy-duty 2-ply polyester is the strongest material for high-wind areas. However, "thin" polyester is usually best for indoor walls or one-time events. Grommets vs. Pole Sleeves :
: Best for "house-mounted" poles that slide through the side of the flag. Printed vs. Sewn : buy world flags
: This is one of the most comprehensive sources for international flags. They offer a massive variety of sizes, from tiny 4x6 inch hand-held flags to massive outdoor versions. They are known for carrying different material grades, including "Superknit" polyester for budget-friendly displays and heavy-duty nylon for outdoor use. : Heavy-duty 2-ply polyester is the strongest material