Jinhao X450 Fountain Pen Green Marble Medium Nib Size with Ink Refill Converter for Bottle Ink,Business Signature & Smooth handwriting pens

Please note that you will not see the green color clearly until you look it in the nature light

Instructions on How To Fill a Fountain Pen with Bottle Ink :

https://youtu.be/T8mfof7ZpU8

Instructions on How To Fill a Fountain Pen with Cartridge :

https://youtu.be/aDD-He8hRmM

Check more fantastic fountain pens in our store at :

www.amazon.com/shops/lanxivi