JINHAO 80PCS Fountain Pen Ink Cartridge Refills Black And Blue Features: Brand: JINHAO fountain pen ink cartridges 80pcs Jinhao fountain pen ink cartridges Black New writing clear, color, easy to use, you can put it anywhere else in the bag, backpack, paper bags and so on. It is 100% closed, do not worry it will leak, only you want to open it and it encounters a lot of pressure before the ink, With it very convenient to go Color: Black and Blue Bore diameter: 2.6MM Write: resistant lasting smooth writing Condition : 100% Brand New Ink cartridge : International standard Converter : Squeeze-type Package : 80pcs Pen ink JINHAO 80PCS Fountain Pen Ink Cartridge Refills Black And Blue Features: Brand: JINHAO fountain pen ink cartridges 80pcs Jinhao fountain pen ink cartridges Black New writing clear, color, easy to use, you can put it anywhere else in the bag, backpack, paper bags and so on.It is 100% closed, do not worry it will leak, only you want to open it and it encounters a lot of pressure before the ink, With it very convenient to go Color: Black and Blue Bore diameter: 2.6MM Write: resistant lasting smooth writing Condition : 100% Brand NewInk cartridge : International standard Converter : Squeeze-typePackage : 80pcs Pen ink Quality: This product is of very good quality, please rest assured to buy. Product size: 7.5x5.5x1.6 in QUALITY AND SERVICE GUARANTEE: We always insist on providing you with products and satisfactory after-sales service. If there is any problem with the product you have purchased, please do not hesitate to contact us, we will reply to you as soon as possible.