... 3.write smoothly 4.high quality 5.best after service ball point penPackaging & DeliveryPackaging Detail:Packaging:12*12*12, 1728 pcs ... one of the largest manufacturer of writing instrument , such as ball pen ,gel pen ,markers , mechanical pencils, correction fluids etc. ... of the largest manufacturer of writing instrument , such as ball pen ,gel pen ,markers , mechanical pencils, correction fluids etc ...