dry erase markers bulk 1..conform to EN71 & ASTM D-4236 double marker 2.quick dry and indelible ink 3.dry erase markers bulk dry erase markers bulk1)Type: dry dry erase markers bulk 2)Material: PP3)Our designs are suitable for office,school,drawing,promotion use.4)Meet EN71 and ASTM D4236 standard. All the materials conform to USA or European standards.5)Size and weight: please contact with us ...