You could prefer to apply coating both on each side or simply just the entrance side of the personalized flyer. Uncoated flyers are writable, but if you wish to compose on coated flyers, we recommend you use permanent markers. We print in RGB; not CMYK like most other printers. Considering https://flyerprinting29305.webbuzzfeed.com/38675587/the-best-side-of-flyer-printing