Our shiny and matte papers are coated on both sides, even though our recycled and uncoated papers are uncoated. If you're composing on shiny or matte papers, we suggest you use a permanent marker – for recycled paper and uncoated, we advise using a ballpoint pen. Double parallel fold – https://andretjwiv.pointblog.net/a-secret-weapon-for-flyer-printing-89007208