Wind isn't just the enemy of the carefully-coiffed head of hair, it's also the bane of banner putter-uppers everywhere. When it goes up it's a beautifully-hung colourful beacon of messaging brilliance, then a stiff breeze comes along and it discovers a second life as a sail.
Defeat the flapping and throw those anchors away with the magic of mesh. This wind-permeable wonder stock simply lets those westerlies continue on their way and keeps your banner where you want it.
Not great as a wind break admittedly, but they do have the added bonus of being lighter than your average banner which makes them super-portable, plus they are handily fire retardant (rating B1), and they don't block out the light. Now that's what you call a triple-threat.