1)gel ink pens,ball pens,gel pen refills 2)OEM order is welcome 3)color:normal,glitter,metallic,milky 4)ISO 9001 certificate 1)supply gel ink pens, ball pens, and gel pen refills2)The exterior shells of the pens are bright, attractive, and modern looking3)Color: normal, glitter, metallic, fluorescence, milky