5 pieces slim fountain pen comes with Ink converter. You can use ink cartridges or bottled ink for it. Does not come with any ink for safety. Here is the ink cartridges fit this pen (ASIN: B011QW2R7Y): https://www.amazon.com/dp/B011QW2R7Y/ (or international size ink cartridges will fit this pen). Nib size: Medium Cap: Push type Package Include: 5 fountain pens
