Plus purchase - double head disappearing pen / gas elimination pen

Color: purple marker + white smudge pen (double head) Features: a purple marker, a white smear pen (use the mark) Uses: wool felt, embroidery, tailoring, splicing, easy to make a mark of the disappearing pen, used for temporary use of the mark, will gradually disappear after a period of time After writing, it will disappear automatically within 2~7 days after writing.