These Ink Collection Cards, set of 150, are perfect for recording the unique qualities of your ink collection. Made with Tsubame’s lightweight and bleedproof “Fools Paper,” these cards provide a standard format and organized storage for fountain pen enthusiasts.

Additionally, they can be useful for artists who use colored inks or a variety of black inks, as the test pattern on each card allows for proper swatches and testing. The 150 business-card sized sheets are printed on white Tsubame Fools writing stock and come in a navy blue paper box.

Each card measures and 91 x 55 mm (3.6″ x 2.2″) while the box measures 112 x 66 mm (4.4″ x 2.6″), making them easy to store and display. Please note, these cards are only recommended for use with water-based drawing and writing inks, not with paints, alcohol inks, or other media.

• 150 cards
• OK Fools Paper
• cards measure and 91 x 55 mm
• Made in Japan