Hello there Edelgado, Thanks for choosing Future Working day Flyers in your printing requirements. We now have numerous types of cardstocks for flyers. Seemingly, we do not need a watertight material although We've water-resistant cardstock. Simply click the dimensions under to obtain a ZIP file containing templates for that dimension https://charliexmzna.liberty-blog.com/32160386/fascination-about-flyer-printing