This versatile brush pen features a specially designed nib that provides consistent ink delivery across its sides and tip, as well as superior #34;bounce #34; and shape retention over long periods of use. The archival-quality Pigma pigment ink is waterproof and fade-resistant, and will not smear, feather, or bleed through on most papers. Small nubs on the cap prevent the pen from rolling away. - Flexible brush pen with PIGMA ink - Flexble nibs for clear line edge. - Brilliant color and smooth extension. - Water proof amp; fade resistant Size : FINE