Pentel White Gel Pen
I just purchased a white gel pen. Let the endless noodling begin.
Check this out on AMZN:
Pentel Arts Sunburst Gel Pen, Medium Line, Permanent, White Ink, 1 Pack (K908BPW) http://www.amazon.com/dp/B003XQFWKQ/ref=cm_sw_r_an_am_ap_am_us?ie=UTF8
