SIPLIV 40 Pcs 2.6 mm Bore Diameter Black Short Paragraph(39mm) Ink Cartridges Suit for SIPLIV Handcrafted Brass Wooden Fountain Pen Short Paragraph Pocket Mini Travel Pen

• Package: Contains 40 pieces Yellow fountain pen ink in this package, you can replace or fill you pen conveniently, and the sufficient quantity will satisfy you various needs, and come with plastic storage box.
• Proper size for your pen: Ink Cartridges Length approx.1.5 inches / 39mm, Cartridge Diameter approx. 0.15 inches / 4mm, Bore diameter 2.6mm, Please check if the size matches the one you need before buying.
• Quick to dry: Ink takes only a few seconds to dry. You can no longer worry about the words you just wrote will be rubbed off or dirt your hands and clothes, ensuring your important writing moments are not ruined by smudges or smears.
• Smooth write experience: With no break in ink flow, enjoy a smooth and optimal writing experience as your fountain pen glides elegantly across paper, and easy to replace the ink cartridge can help you to save a lot of trouble.
• Note: These cartridges are compatible with fountain pens take 3.4mm cartridges, such as Hongdian, NOT Standard Size. Please measure the size of the pen correctly before purchase. Make sure the pen is equipped with 3.4 mm ink cartridge.

Specifications: Size: approx. 1.5 inches/ 3.9 cm in the length Bore diameter: 2.6 mm Features: Smooth Ink Flow: Our fountain pen refill slides on the paper smoothly and is unobstructed, and the ink needs to dry in a few seconds, so the handwriting is not easily stained when you write or draw. Neutral PH & Non-toxic: The ink has been carefully manufactured using only natural dyes giving the composition a neutral, natural, and non-toxic PH Convenient and Efficient: Easy and quick installation, can becompleted in two simple steps, save your time. Practical Gift: You can present this fountain pen ink to yourself, or you can also send to your family, relatives, colleagues as a gift at Thanksgiving Day, birthday, graduation, family gathering, holiday or other occasions. How To Fill A Fountain Pen with Cartridges? 1. Align the ink Cartridges finely with the Pen bayonet and press firmly until you hear a click. 2. After installation, leave the pen upright for one minute to write. Warm Note: Please check if the size matches the one you need before buying.