1 Material : ABS 2 Has three treatments for highlighter pen barrel : transparent , shiny chrome ,frost 3 Ink : National ink, or Tai Wan , or Korea 4 EN71.AMDS certification 5 Packing : 1/opp, 10 set/box , 60 sets/ctn N.G : 12.5/14 kgs Meas :48x37x23 cm 6 Patent no.: 200930211391.1