1. 12 UNIQUE VIBRANT COLORS: Fine point colored pens, No Duplicates, 0.4 mm fine tip marker pens, this colorful fine tipped pen set is perfect for journaling supplies, planner, calendar, note taking, drawing lines & details, writing, sketching, adult coloring book, art projects, artists fine-ink drawings and coloring small intricate patterns. They are colorful and glide easily on the pape. Perfect journal planner journaling pens.2. SMOOTH COLORED PEN: Fine line markers pens with Metal fine tipped and outstanding super smooth performance in all areas of journaling, planner, drawing lines & details, writing, sketching, adult coloring book, art projects, comfortable to write.The tip is very firm,do not worry about slip tip.3. QUALITY INK LAST LONG: Water-based ink, Dry safe, Minimal bleed thru, Acid-free /Non-toxic Ink, these fiber-tipped pens create fine lines and intense water-based colors. Ideal for Coloring Books for Journaling4. DURABLE & PORTABLE PACKAGE: Our VITOLER Fine Line Drawing Pen sit very comfortable in your hand and the caps are easy to remove and replace, help to keep Color Pens lasting longer and prevent from dry-outs.And our 24 pieces fineliner color pen set come with case, make them handy for travel and just storage to make sure they stay together.5. MULTIPLE USAGES: perfect for writing in your planner, diary or calendar. Try color coding your activities & appointments to simplify your life! Alternately, they work very well for note taking, scrapbooking, mind mapping, doodling, comic, animation, adult coloring books and all other arts and crafts projects! Use alongside your coloring pencils, markers, glitter pens,or brush pens!