1,Multicolor for you 2,CE and ASTM approved 3,Smooth writing,lead size:0.4mm 4,Triangular 5.Safety design good for children Fine liner pens with the following features:1.PP Materials,Non-toxic,Eco-Friendly,Break resistant,safe for children2.The pen cap with air hole,accord with safety standard,safe for children3.Various styles fou you choose,of course,OEM is welcom4.168*7.8mm size accord with ...