Highlighter 1,Conform ASTMD-4236,EN71 2,OEM services 3,High quality with competitive price HighlighterWe are professional manufacturer of marker of pens ,owning excellent R&D group and strict QC team."Credit and Quality" is our idea.All of our products can conform international tests standards,EU and US standards.MaterialPPPen tipchisel fiber tipInk colorsyellow,pink,green,orange,purple, ...