ink cartridge fountain pen set

ZX-335 plastic founain pen set: 1.people favourite plastic fountain pens, and itfit for everyone. 2.Write smoothly, and the nib cann't break the paper. 3.30-45 second can be written.and never be water leakage. 4. the design on the pen can be changeddifferentdesigns if the customer needed. 5. the ink carridge can be changed when the one in the barrel used up. 6,Heat transfer process of the barrel. 7,1pen with 2ink cartridge in a blister card, or other package you need.