Windmaster Wind Flex Sidewalk Curb Signs bend with the wind on specially designed spring-loaded mounting systems. All WindMaster outdoor displays have dual springs that flex to withstand even strong wind gusts and feature tool-free assembly. Manufactured in the USA, these high quality, durable and attractive frames last for years and feature easy-change front-loading for graphics installation. WindMaster wind resistant outdoor curb signs are double-sided and can be used as pavement signs, sidewalk signs, driveway signs, entryway signs, sandwich board signs, etc. Ideal for gas stations, convenience stores, parking garages, arenas, car washes, etc.