Product Introduction：

Model：Chuanren CR-259

Packaging method：20 bottles/medium box, 20 medium boxes/outer box

Diameter：universal ∅3.4mm

Product specifications：30 ink sacs

Color：Erasable blue

Product Features： Quick drying ink, quick drying with pen strokes, prevents smudging, and does not dirty hands. Vibrant colors and smooth water flow.