Description Private Reserve Invincible Blue fountain pen ink is a mid-toned shade of blue that comes packaged in a 60ml glass bottle with a wide mouth and a ridged cap for easier opening and closing. Private Reserve Invincible ink is specially formulated to be archival and water resistant. Under new ownership in 2021, Private Reserve Ink features bright, vibrant colors with excellent flow that tends to be quite wet. Having trouble deciding between colors? Use our Ink Comparison Tool to quickly and easily view different colors side by side. We offer Free Shipping on all orders over $59 for US customers, and for orders over $250 for our Canadian customers.
