【Magical Double Line Feature】This is Kind of Magical Metallic Marker has a nice effect of a colored line around the metallic silver ink, when writing, the ink separates itself into two colors, metallic silver lines are outlined with a different color,automatically to create a beautiful dual-color effect. 【Super wide-range usage】Creat for lettering ,drawing, painting, DIY postcard,scrapbook,school project, Birthiday greeting, Crafts, Photo Album, Adulting coloring book , manual account, sketchbook, bullet journal, fun notes ,cardboard boxes etc, meet all of your hobbies. 【Quick-Dry& No Leaking】The paint pen dry immeditately after 15-20 seconds, doesn't bleed through more than 80g light color paper, moreover, it is guranteed that every pen is screwed tightly before shipped, if you find they are leaked or dry up, please email us to require a new replacement.