Drive attention to your organization and sport your message on your vehicle. Get noticed on the go with Magnetic Car Signs. Perfect for schools, not-for-profit groups, political candidates, booster clubs and much more! This non-toxic USA Made white flexible magnet approx. 30 mil. thick is manufactured to withstand outdoor conditions. There is a care statement automatically printed on the product which reads: "Magnetic Signs - Apply to flat metal surface, remove weekly for cleaning. Made in USA."