SIPLIV 35 PCS Ink Cartridges, 3.4 mm Bore Diameter Fountain Pen Calligraphy Pen Refill Ink Cartridges - Red

• Note: These cartridges are compatible with fountain pens take 3.4mm cartridges, 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.

SIPLIV 35 Pieces Ink Cartridges, 3.4 mm Bore Diameter Fountain Pen Calligraphy Pen Refill Ink Cartridges Specifications: Size: approx. 2 inches/ 5.1 cm in the length Bore diameter: 3.4 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.