MAJOHN Wancai Mini Ink Sac Transparent Mint Fountain Pen Fine Nib 0.5mm Gift #JU | eBay
Amazon.com: Majohn Wancai Mini Fountain Pen Iridium Fine Nib, Brown Acrylic Pocket-Size Travel Short Pen with 6 PCS Black Ink Cartridges
JetPens on X: "The Moonman Wancai Mini Fountain Pen measures just 3.4 inches when capped. Each pen comes with an eyedropper for you to fill the pen with your favorite bottled ink!