1)the color pencil passed the EN71-3,ASTM4236 standard 2)our factory passed the ISO14001 standard Our natural colored pencil set ... :EN71-3,ASTM4236 standard2)material :basswood3)shape:hexagonal 4)packing:color box,opp bag,paper tube ,PVC,OEM packing,customized packing ... at home3)the high qualtiy and competitive price 3.5'' natural color pencil packing with paper tube (EN71-3,ASTM4236 standard)