Chameleon Art-Color Tones. Ideal for all paper crafts, manga, graphic and fine art! These are much more than a normal marker- they give you the power to change color! Has refillable pens and replaceable Japanese nibs. Compatible with all other alcohol-based inks. Permanent on most surfaces. This package contains five 8-1/2 inch long permanent alcohol ink pens with a brush nib on one end and a bullet nib on the other.