Hi there Edelgado, Thanks for choosing Subsequent Day Flyers for your printing requires. We have now numerous types of cardstocks for flyers. Evidently, we do not have a water resistant content however We've h2o-resistant cardstock. If you would like your custom flyers strong, we advise which you use our one https://cruzjaoco.creacionblog.com/30970217/the-greatest-guide-to-flyer-printing