... , ASTM D-4236 & REACH2. Non toxic, white color, assorted colors, colors can be adjusted3. ... prescription, So as a result of bright color, clear marks, uneasy broken, with less dust, ... Packing details: Color box Specification: 9.5X80MM 100 pcs/box, 24 boxes/carton Carton size: ... A.E. as well as the certain organizations of the United Nations for its fine quality and reasonable prices. WHITE CHALK 100 ...