If i need to erase i use the expo marker cleaner like you buy at wal mart.
Write on laminated posters.
I have about a bajillion ultra fine point sharpies for um georging but i don t really like the idea of lugging around a special solvent.
He just had it done at kinkos and the laminate seems quite thick to me.
Using the wrong writing instruments cleaners and or erasers on laminated paper can result in staining smudging and smearing on your hands as well as your page.
Therefore i now write on my laminated posters with permanent marker.
Spray it on the permanent marker and let it sit for about a minute.