??Set of 10 Black Micro-Pen Fineliner Pens, Waterproof Drawing Archival Ink Pen Fine Point Micro Line Pens ??Professional Quality: Pens are non-toxic, water-based and acid-free with superior archival quality long lasting vibrant pigment inks that don't smear, fade, bleed or skip. ??Safe & Easy to Use: Suitable for children 3 and above. They provide super smooth writing every time. ??Convenient Storage: Pens are stored in a convenient organizer pouch with individual spots to hold each pen, so you can always keep them neatly organized and ready for use. ??Includes 10 micro NIB tip sizes: 0.05mm, 0.1mm, 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.8mm, 1.0mm and 2.0mm. Exceptional professional technical writing and drawing pens for artists, writers, illustrators, students and teachers that provide consistent free-flowing ink with a smooth glide that allows you to create perfect clean lines with every use. Also great drawing or filling in adult coloring books. ??Note: Please draw with an even pressure to avoid bleeding. Keep the tip perpendicular to the paper in order to draw lines with the same thickness. After use, make sure you recap the pens to prevent them from drying out. ??Specifications: Quantity: 10 Color: Black Pen Size: 5.4 inches Package Included:10 Black Fineliner Pens in Assorted Tips.