Can I use Future to seal printed decals?

My recommendation is to use Krylon Crystal Clear in the rattle can to seal the decals. It's what the decal paper makers recommend to use.

You can, but I wouldn't. Since the inks are water based (likely) the Future could cause a problem. Seal them with a clear enamel or laquer sprayed on (best) or lightly brushed on.

HIH
Drew

Frankly, I don't know about Future, I don't use the stuff, but I do use clear acrylic gloss for that purpose... Heard Future is about the same stuff...  Testor's makes a good decal bonder spray as well.. I use it to seal the decals I make on my printer.