The Jet's Window Wing car sign delivers rooftop-level visibility without roof magnets — the go-to choice for vehicles with glass, convertible or non-metal roofs. About the Jet's Window Wing Sign This window-mounted car sign is constructed of durable, one-piece molded polyethylene for a long-lasting product. This sign comes with our newly designed window bracket, which features two heavy-duty RAM Mount twist lock suction cups, two adjustable window clips and an adjustable center bar for a secure hold and a conforming fit to your vehicle. The decal dimensions are 11.5" in diameter. GPS Tracking available, but not included. Lighting Options Cordless rechargeable battery-powered automated LED light system Traditional plug-in corded light system Built by Carsigns, the team behind HTH signs trusted by delivery drivers and franchises across North America.