These unique pens can erase their own ink cleanly by friction-generated heat, leaving no debris. Write a message, if you make a mistake just use the non-writing end of the pen to erase the ink. It has a fine 0.7mm tip and the ink comes in black, purple or blue ink.
This product is not recommended for signatures, legal documents, examination papers or
other documents where writing needs to be of a permanent nature. To avoid accidental
erasure, do not leave writing where it may be subjected to high temperatures for a