... tips,colorful ink,pp material 2.smooth writing,non-toxic 3.ASTM & EN71 certified 4.markers pen highlighter markers pen ,highlighter marker with ... =115MM,D=25MM, 3.Ink with EN71 & ASTMD 4236highlighter pen , highlighter marker with PVC bag•Material :Plastic In PP •Measurement :L ... •Customer's logo printing available, OEM is welcome1.fiber tips,colorful ink,pp material 2.smooth writing,non-toxic 3.ASTM ...