Description Each 50ml glass bottle is a beautifully crafted container designed with an innovative dip at the bottom to make for easy filling of your fountain pen, when the ink level runs low. Tsutsuji loosely translates from Japanese to Azalea, a red hue like the common red amongst the myriad hues of the Azalea flowers.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.