3 Boxes per inner box, 30 Boxes per carton MST: 43X30X25CM G.W.: 15KGS N.W.: 14KGS CHALK:1. Passed EN71, ASTM D-4236 & REACH2. Non toxic, white color, assorted colors, colors can be adjusted3. Normal quality and competitive price4. The chalks are shaped by the latest and advanced material prescription, So as a result of bright color, clear marks, uneasy broken, with less dust, Suitable for ...