... mildness, environment friendly,fluent,quick-drying,fresh color art pen,drawing pen 1.conform to EN71 & ASTM D-4236 2 ... or non-washable 3.various packing & printing available art pen,drawing penStandard packing : Pvc bag,Colored box,Polybag, ... conform to EN71 & ASTM D-42365.Good for children use, also good in promotional use6.Guatantee: 2 years ... 25-30 days after confirming the samples kids use art pen