Hi there Edelgado, Thanks for choosing Following Day Flyers to your printing requirements. We've a wide variety of cardstocks for flyers. Seemingly, we do not need a waterproof materials although Now we have water-resistant cardstock. We provide productive and reliable production solutions for your custom made flyers. Our concentration is https://travisshsfq.theobloggers.com/38259300/everything-about-flyer-printing