Product
Elfinbook 1.0 Smart Reusable Notebook Environmental stone paper, Cloud storage notebook, Organize files by App, Comes with a Pilot pen

Elfinbook 1.0 Smart Reusable Notebook Environmental stone paper, Cloud storage notebook, Organize files by App, Comes with a Pilot pen

USD $15.99   $19.00

What shall i do if i ran out of the pen refill ?