Product Review

The water soluble ink can disappear automatically, and it's nontoxic.

-Features:

* Pink pen : Automatically disappear or wipe off with water in 1-7 days;

* Purple pen : Automatically disappear or wipe off with water in 2-14 days;

* Blue pen : Writing trace does not disappear automatically, but it can easily and quickly erasable by water.

* Green pen : Automatically disappear, or quickly erasable by water;

* White pen : Automatically disappear, or quickly erasable by water ( suitable for dark-colored fabrics);

* Dark blue pen : Automatically disappear, or quickly erasable by water.