Detailed Product Description color jumbo chalk:1)white the ASTM D4236, EN71 and CPSIA2)5different color pieces3)item No. BW00014)30 working daysThis is Bo Wen Plastic stationery limited. our factory is located in dongfeng idustarl, xinxu toun,huiyang district,huizou city,guangdong ,china. we produce many style chalk, such as: color chalk,school chalks,wite chalks, eraser chalk,sidewalk chalk, ...