Name: Double-line colored contour pen Packing: 12 colors/24 colors Color: as shown Size: pen length 13.2cm Note: Ink penetrates easily, the thinner the paper, the easier it penetrates. Please be sure to put a piece of paper underneath when drawing. You can draw double-line pens on clothes, glass, stones, ceramics and other objects, but glass, stones, ceramics and dark paper cannot show double-line effects, only fluorescent effects.
