1) Suitable for student's and children's drawing 2) Conform to ASTM D4236,ASTM F963,HR4040 PHTHALATE,EN 71-3/9 TRA Non-toxic, and environmental friendly24 colors markersConform to ASTM D4236,ASTM F963,HR4040 PHTHALATE,EN 71-3/9,BS7272Suitable for student's and children's drawingIdeal for use on paper and cardboardCustomer's LOGO are welcomed 12 water colors marker