Vivid Color: We fill each marker with 5 ml of premium Japanese water-based ink that is smooth flow, waterproof, chemically stable and odorless. The brilliant and rich ink is opaque, quick-drying and long-lasting. These paint marker sets can be used for a variety of different needs High Quality: Durable medium round nib allows smooth and precise application. These acrylic paint pens are perfect for drawing, painting and coloring in arts and crafts, DIY projects, scrapbooks, gift card marking, journals, calendar, planners, coloring books, tires and more Multi-Purpose: These permanent markers are the best choice to work on multiple surfaces. You can use on rock painting, ceramic, wood, leather, plastic, fabric, canvas, stone, glass, metal, craft supplies, etc Individual Packaging: Each paint marker pen is packed in a separate heat shrink film to avoid leakage during shipping or storage. Package contains 8 blue pens Purchase Without Risk: Each product undergoes rigorous testing and careful selection to guarantee the reliable performance you deserve. Rest easy knowing our customer support is available around the clock Blue Permanent Paint Markers, Acrylic Paint Pens, 8 Pack   What can these paint pens be used for? -They are Waterproof, Permanent, Quick Dry and Not Transparent Water-Based markers. -These paint pens can write on glass, paper, cardboard, fabric, rubber, plastic, canvas, leather, metal, brass, cars, wood, stone, tires etc. Almost all surfaces.   How to use the paint marker 1)Shake the pen well. 2)Hold the pen with the tip up and press it with thumb to release air out. 3)Press the tip down several times until the paint starts to flow. 4)You are now ready to write on any surface! -Use mineral alcohol or turpentine to clean off.   Description -No xylene and toluene. -Marks on multiple surfaces. -Water based paint, not transparent. -The ink conforms to EN71-3 and ASTM D-4236. -The ink complies with the European union - RoHS directive. -The tip of the pen is approximately 2.0mm-3.0mm. -Brand new and individually packed with shrink film.