Hello there Edelgado, Thanks for selecting Next Working day Flyers for your personal printing requirements. We've got a wide variety of cardstocks for flyers. Apparently, we do not have a water-proof material while We've got drinking water-resistant cardstock. Don’t forget about to include coating if you print custom made flyers. https://archernrnha.mybjjblog.com/considerations-to-know-about-flyer-printing-49784218