I'm wondering if my pdf is large enough to maintain resolution
I am creating documents containing wedding table assignment cards to be taken to a printer. In InDesign, I created a 17 x 11 in page (according to printer specifications); added 16 2 x 3.5 in frames; imported 16 pdf files (each ~3300Kb) and simply placed them in the frames - no resizing or anything; added a .5 stroke border and exported for printing (using the High Quality setting). My resulting document is 150 Kb. That seems small to me. I know it depends on the content; here's one of the cards:

Can 150 Kb contain the best print info for 16 of these on a page?
