Colorful and highly visible, Swanson® taffeta Roll Flagging is the most durable, longest-lasting outdoor flagging available. Our unique formula adds plasticizer packages to PVC, creating a flexible material with maximum physical properties, including tensile strength. Taffeta roll flagging is built to withstand harsh weather conditions, enduring temperatures as low as -10°F. Our formula also prevents UV degradation, meaning that even in direct sunlight, this roll flagging won't fade or crack.