Product review (5 stars): Attractive as well as functional.
Before placing these over burners, I applied, and allowed to dry overnight, of course(!), a coat of nail hardener (available in the nail polish area of dept. store cosmetics section) to the edges of the covers.  Small rust spots had developed on my last set of burners covers and some of that rust had transferred to stovetop.  So I hope the application of the nail hardener will seal the edges of the burner covers and make them impervious to rust.  The photo imposed on the covers is attractive and the blues are "true blues."  These covers suit my preference for blue and white decor and add a bit of yellow as an accent.