Advanced graffiti flash label set: Metal marks have 20 different bright colors. The technology design automatically generate outlines to create a beautiful two -color effect. This contour label can draw three different effects on light -colored paper, black paper and smooth . Non- and safe contour pen: These 2-3mm medium-sized flash pens are water-based, non-, odorless, smooth, fast drying, high-quality certification ink, which is safe for children, girls and teenagers. Wide -used labeling: These metal contour markers can be used for almost any , such as rocks, wood, canvas, fabrics, glass, plastic, metal, etc. It is very suitable for making Christmas cards, birthday cards, greeting cards, envelopes, etc. Easy to use: These glittering signs are very easy to use. First of all, shake the super wave -shaped pen up and down with the lid to make the ink fully mix. Secondly, the tip on the tip of the paper for a while until the ink flows to the tip. Colour: multicolor Material: plastic Package Contents: 40 x marker Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.