Hi there Edelgado, Thank you for selecting Subsequent Working day Flyers for the printing desires. We've numerous types of cardstocks for flyers. Seemingly, we don't have a water-resistant material however Now we have water-resistant cardstock. We print in RGB; not CMYK like most other printers. Because we use the very https://judahtjxkw.bloggazza.com/31586560/the-best-side-of-flyer-printing