About product:
Product features: Bright color, Smooth writing, Can be archived, Automatic fade refill.

This kind of pen refill is different from other refills.Because the ink is easily soluble in water and it will automatically fade away by photosynthesis.So the writing can be washed with water or wet tissue and it also will automatically disappear by photosynthesis.

Attentions:
1.This product is not suitable for children under 3years old. Parents should beware of children devouring.

2.It's normal that the ink was clogged when the special pen or refill was used for the first time .You can write on the white paper back and forth. After the ink is not clogged,you can continue to practice. 

3.Handwriting usually disappears in about an hour.

4.The environmental temperature and humidity will delay the disappearing time of handwriting. 

5.The set of copybook is equipped with special writing pen ,and the other pens can't be used. After practice, please cover the pen cap to prevent the ink clogging .

If you have any queries relating to our website or orders, please do not hesitate to contact us.
E:chinesecopybook at hotmail.com  Web:www.chinesecopybook.com