Tombow GCB-011 Water Based Sign Pen, Play Color 2, 12 Colors

Ink: Water-based dye ink [Specifications] Twin type / Extra fine plastic core (0.4 mm) and thick fiber core (0.05 inches (1.2 mm) for thick writing Uses: General writing, designing, sketching, underlining Single item size: Maximum width 0.5 x total length 6.0 inches (12 x 153 mm) / bottle (12 Colors) This twin-type pen features an ultra-fine plastic core and fiber core for broad writing For general writing, designing, sketching, and underlining Bold 1.2mm, Extra Fine Point 0.4mm Set of 12 colors