Hello there Edelgado, Thank you for choosing Future Day Flyers for your personal printing wants. We have lots of cardstocks for flyers. Apparently, we don't have a water resistant product although We have now water-resistant cardstock. We print in RGB; not CMYK like most other printers. Given that we use https://eduardojunef.answerblogs.com/32645264/5-easy-facts-about-flyer-printing-described