PremiumQualityPaint PenThese markers are made of opaque ink that is chemically stable, lightfast, and quick-dry. Oil-based ink is odorless, non-toxic, xylene-free, acid-free, and environmentalfriendly. It is specially designed for kids, adults, students, artists, and professional designers alike. VersatileThese permanent paint pen is the choice to work on multiplesurfaces. You can use on rock painting, ceramic,wood,leather,plastic,fabric,canvas,stone,glass,metal,chalkboard craft supplies etc. Appropriate line thickness5mm tip diameter and 2mm line thickness. Durable fine round nib allows smooth and precise application, even in small spaces. Perfect for arts and crafts, DIY projects, scrapbooks, gift card marking, journals, calendar, planners, coloring books and more. Great painting pen set for both kids and adults. Individual PackageEach paint marker pen is packedin a separate heat shrink film to avoid leakage during shipping orstorage. Wefilleach marker with 5ml of premium Japanese ink. Vivid, water-resistant, fade-resistant and quick-drying, the premium ink ensure your beautiful creations get to last for longer. Purchase Without RiskEvery product is independently tested and selected to ensure the performance you expect. E-mail us if you have any issues or suggestions with these paint markers. Every product enjoys FREE FULL REFUND WITH NO REASON REQUIRED and customer service within 24 hours.