The ink is confirmed to ASTMD-4236 and EN-71 There are four colors black, red, blue,green,yellow fluorescent Marker (SJ201C):  Non-toxic material,Nice design and packing,Reasonable price.Ideal for school use.Assorted colours. It can be made in PSM Card.Blister cards and color boxes packing   highlighter pen( pen),(marker)  

highlighter pen printed in one color LOGO