Smog Check  Repair is a blue flag that reads “SMOG CHECK” in huge white content. The lower part of the banner shows the logo for the “State of California Licensed Smog Check Inspection and Repair Station”. This banner is roughly 12ft tall and 2.5ft wide. Extraordinary banner for auto fix shops and vendors that need to advertise their smog check services. Smog Check  Flag makes great outdoor advertising for auto repair and inspection shops that offer smog checks. Advertising flags like these can deliver a message, like a banner, and flap like a flag at the same time. These flags are an effective way to advertise your smog test station.