Good question, these decals are produced the same way many of our graphics are made. We are using our easy apply air-release wrapping film (no bubbles) (apply them dry) that also will have a top glossy sheet laminate. So your image is sealed between the vinyl and the laminate making it a sub surface image. Yes, easy to apply just peel and stick. Yes, to remove heat and pull.
Here is a video that illustrates how to apply our graphics.
This video is a bit over kill for the decals we are talking about but installation principals are the same:
To see how our products are made see this link:
http://wrapmyspyder.com/spyder-tv-visits-wrapmyspyder-com/