Invisible under visible light, glows when the lights are turned off.

Please do not fill calligraphy ink into the pen.

Glows in the dark - Invisible in light 

Calligraphy Ink

Place an orderPlease read the precautions on the home page of our store before purchasing.

Notice

• Please read our store's precautions before placing a purchase.
• Because shooting and various types of monitors mustThere is color difference, the picture is for reference only, please refer to the actual product received for the color. Returns and exchanges due to color difference will not be accepted as a defect.
• The flow of goods is large. If there is a shortage of goods, our store reserves the right to accept or reject orders.