The barrel is polypropylene with an airtight cap that helps stop the ink from drying out in storage

\nThe texts are written by four well-known graffiti writers

which keeps it easy to carry along to a class or a coffee shop

These highlighters have a water-based ink and trace lines that are 2 - 5 mm wide

This isn't just a basic squeeze marker - the rear tank cap unscrews so you can refill and reuse it instead of tossing it when empty

uni pin fine line brush pen Colors:Light Grey The barrel is polypropylene withThe Uni Pin brush pen uses a flexible synthetic fiber tip rather than a fixed width fineliner nib, so the line varies with pressure push down for a broader fill or medium width script, lift up for a fine detail line, all from one pen. That range makes it suited to expressive hand lettering and brush style titles rather than the consistent monoline a technical fineliner produces. The ink is uni ball's archival "Super Ink," a water based pigment formula