Printed on Industries highest quality 6 mil vinyl. Our thick 6 mil vinyl allows for easy application and handling. We do not use cheap flimsy thin vinyl like some of our competitors. The finished product It is truly a beautiful decal. They are great for windows, bumpers, walls, wood, concrete, doors, poles or any flat or curved surface. We only use industry standard eco-sol max inks to ensure against fading, discoloring, water, and other outdoor elements. Made in the USA