try www.upnorthtechnologies.com and look in to sticker guard thy work good bought a few packs yrs ago.if you bust a shield or buy a new ride or have to use the wife's because you broke yours real good peel off and re stick
Heres the deal. Take a decal,klotz one works well,put the permit on the decal,then trim around the edge closely,put decal on. Much easier to remove cause of mishap.