Monteverde Internatinal Size Cartridge to Fit Fountain Pens, Blue, 6 per Pack (G302BU)

Lamy Fountain Pen Ink Cartridges, Blue Ink, Pack of 20 (LT10BLB)

Monteverde USA One Touch Tool Pen, Fountain Pen, Yellow (MV35231)

Waterman 1.7 oz Ink Bottle for Fountain Pens, Mysterious Blue (S0110790)

Monteverde USA One Touch Tool Pen, Inkball Pen, Orange (MV35294)

Cross Fountain Pen Cartridge Ink Refills, Blue Ink Cartridges, 6 per card (8920)

Lanxivi 30 PCS Jinhao Fountain Cartridge for Jinhao ,Duke ,Fuliwen and Baoer Pen Standard Size (Blue Color)

Pilot Namiki IC100 Fountain Pen Ink Cartridge, Blue/Black, 12 Cartridges per Pack (69102)

Waterman® Serenity Blue Fountain Pen Long Ink Cartridges 8/pk

JINHAO 250 Fountain Pen 4 Pieces in 4 Colors