Pentel Pocket Fude Brush Pen Refills (FP10-A), Black Ink, &times; 3 Pack/total 12 Refills (Japan Import) Refill for Pentel Portable Fude Brush Pen (XGFKP-A, XGFKPP-A, XGFKPX-A, XGFKPV-A ) Aqueous pigment ink Ink color: Black Total 12 Refills