Feature: 0.5mm metal ultra fine tip.
Can be written on cloth, paper, , metal, etc.
This fabric marker is handy for temporary marking of pattern instructions or designs on fabric.
The marks made this pen are not visible by eye, but clearly visible under UV light.
Ink is wash easily and quickly by water, making great convenience for your projects.
Pen Lenth: 13.8cm / 5.43inch
1 Piece Invisible Ink Pen
This pen does not have a UV lamp, Please understand.