Antonio Da Parra(TM) Fountain Pen Ink Refill Cartridges - Premium Quality - Pack of 20 ( 10 Blue and 10 Black ) International Standard Size Calligraphy Pens - Perfect Set

► This Fountain Pen Ink Cartridges meets the international standards make them fit for every fountain pen in the market that works with international standard cartridges
► These Cartridges provide intensity of color with no blobs, smears, or irregular ink flow
► The refill is easy to replace, it's suitable for business office and examinations
► The mixed pack saves you the inconvenience and expense of buying two separate packs of cartridges
► MONEY BACK GUARANTEED - No Hassle, No Question Asked, if you are not 100% satisfied with our Ink, contact us for a replacement or refund. The pen does not come with ink. You can purchase it separately https://www.amazon.com/dp/B01N2VXOVV