To get Sharpie off of plastic, draw over the markings with a dry-erase marker, and then wipe the area with a paper towel. You need a dry-erase marker and a paper towel. The procedure takes no longer than one minute.
- Use the dry-erase marker to draw over the markings
Cover the markings of the Sharpie with a wall of ink from the dry erase marker.
- Wipe off the ink
Use paper towel or a rag to wipe off the ink, and ensure the Sharpie ink comes off as well.
- Repeat as necessary
Repeat the procedure until no traces of the Sharpie ink remains.