Description Caran d'Ache Infra Red fountain pen ink is a bright, vibrant shade of red that comes in a 50ml glass bottle with a slanted base for ease of filling your fountain pen, even when the ink level runs low. Caran d'Ache fountain pen ink is made in Switzerland, and has good flow, vibrant colors, and is easy to rinse out of your fountain pen. 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 $50 for US customers, and for orders over $250 for our Canadian customers.