【Unreleased in Japan】Octopus Fluids Octopus Document Ink Fountain Pen Ink for Notarization Registrar's Pigment Ink DIN ISO 12757-2 Certified Made in Germany Brown 30 ml Instant purchase welcome. New, unopened product. This is the price for one item. Multiple items in stock. We offer combined purchases and combined shipping for this product and all other products on sale. Price negotiations are only accepted for combined purchases. High-quality pigment ink for fountain pens from Octopus, Germany. Direct import from the manufacturer. ISO certified for official documents. Achieves high resistance to water, light, and chemicals, making it highly durable. There are very few fountain pen inks with ISO certification, so this is a long-awaited product for those who need it. Octopus is not well-known in Japan, but it has a strong track record in manufacturing advanced industrial inks, printing inks, and fountain pen inks overseas, and is highly regarded. 【Product Description by the Manufacturer, Translated into Japanese】 Octopus Document Ink is a permanent ink that can be used with fountain pens and other writing instruments. The highest quality pigments provide optimal ink flow without bleeding and prevent fading of the writing. It is DIN ISO 12757-2 certified and meets the quality standards for official documents in Japan, the Notary Service Regulations (DONot), the requirements of the German State Ministry of Justice, the Federal Budget Regulations, the service instructions of the civil registry offices, and the requirements of the German Federal Medical Association. The waterproof ink does not fade and is resistant to bleeding. It does not disappear and is resistant to ethanol, hydrochloric acid, ammonia, bleach, and most other chemicals. All ingredients are vegan. Although Pentel and Mitsubishi Pencil mechanical pencils, inks, and Pelikan and Parker fountain pens are also good, please also consider gel ballpoint pens. ■ Product prices may reflect a premium. Please understand. ■ Shipping includes tracking. We can accommodate Yu-Pack, etc., for an additional fee (actual cost). ■ Invoices and receipts can be issued. Please contact us after purchase if you need them. ■ We will ship within 24 hours of confirming payment. ■ Products may be deleted and relisted irregularly. Please purchase as soon as possible. ■ We ship with waterproof protection in a plastic bag. ■ Please refrain from purchasing if you are concerned about minor scratches or stains as these are stored items. We do not accept any complaints after purchase.