Andibro 10 Colors 3.4mm Fountain Pen Ink Cartridges, 20 Packs Business Fountain Pen Refills Disposable Ink Pen Refills (Multicolor)

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Packing List: 20pcs Fountain Pen Ink Cartridges
Product Size: 5x0.7cm/1.96x0.27inch
Box Size:9.8x5.7x1.1cm/3.85x2.24x0.39inch
Compatible  Fountain Pen:3.4mm
Ink content: 5ml/ per stick
Ink Color: pink, blue, brown, yellow, green, purple, orange, red,light green, light purple
Material: Plastic