Product DescriptionColorful 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. This featured glo formula increases brightness for better visibility and nearly doubles the thickness of the original taffeta roll flagging providing extra strength.From the ManufacturerColorful and highly visible Swanson Solid Color Roll Flagging is the most durable longest-lasting outdoor flagging available anywhere thanks to proprietary formulations and annealing. Added plasticizer packages yield maximum physical properties including tensile strength. (That means you get stronger product for the same price.)