Hello there Edelgado, Thank you for selecting Following Day Flyers to your printing needs. We've got a wide variety of cardstocks for flyers. Seemingly, we do not have a watertight product although We've water-resistant cardstock. Which cardstock allows for writability? We endorse uncoated 14 pt. cardstock if you want to https://free-bookmarking.com/story18928017/a-secret-weapon-for-flyer-printing