Buy Invisible Pen from Horipenis at SkinTools
The Invisible Pen:
1) The invisible Pen has designed to erase the ink of stencil.
2)Cotton tips are replaceable.
3)Clean the cotton tips with alcohol for multi use
P.S. Wait 10 seconds after the tip replaced which allow it to absorb the ingredient of the pen.
Package include: 7 Pens and 40 replaceable cotton tips