Hi there Edelgado, Thanks for choosing Next Working day Flyers for the printing needs. We've got numerous types of cardstocks for flyers. Evidently, we do not need a waterproof material although We have now drinking water-resistant cardstock. We’ve sent you an e-mail to be certain we’ve bought the proper inbox. https://cristianshuht.thechapblog.com/30548196/5-simple-techniques-for-flyer-printing