Board Thread:False Info and Speculative Discussion/@comment-27940311-20160308211103/@comment-27411820-20160308234616

It's called whiteboard tape.

http://www.ebay.com/sch/i.html?_odkw=lining+tape&_osacat=0&_from=R40&_trksid=p2045573.m570.l1313.TR12.TRC2.A0.H0.XWhiteboard+tape.TRS0&_nkw=Whiteboard+tape&_sacat=0