... inner box, 72 Boxes per carton MST: 36.5x27.5x19CM G.W.: 17KGS N.W.: 16KGS CHALK:1. Passed EN71, ASTM ... , Suitable for teaching, leaning, road side pictures and other works.5. Packing details: Color box Specification: 11X80MM 12 pcs/box, 12 ... /inner box, 72 boxes/carton Carton size: 36.5 x 27.5 x 19cm G.W./N.W.: 17/16kgs6. We can packing ...