Fabric mesh material allows the sail sign to be used on breezy days without added pressure to the display. Rotates on a center X-axis for movement in win. Pull pin on Y-bracket makes it easy to take down. Carbon composite poles are strong and flexible. Ground spike constructed of chrome-plated steel with nylon polymer bearing cover. Banners have a 90-day warranty when used outdoors. Lifetime warranty on hardware; one-year warranty on ground spike.