Unleash Your Creativity on-the-Go with Col-o-ring Ink Testing Books! Pocket-Sized Perfection: Take your ink exploration anywhere with these portable 2" x 4" sheets. Die-cut rounded corners prevent dog-eared pages. Unparalleled Paper: 100 sheets of 160gsm (100lb) European paper, crafted for over 400 years, awaits your creativity. The bright white, acid-free surface is slightly toothy, perfect for even the finest dip nibs without snagging. Customizable and Durable: Sturdy chipboard covers, letterpress printed with crisp "afterburner" black ink, house your art. Easily reorganize your pages thanks to a handy split ring. Crystal Clear Protection: Each book comes packaged in a 2mil polypropylene bag, sealed with a branded Col-o-ring sticker. Unleash the Ink: Rigorously tested to prevent feathering, bleeding, or show-through. Experiment with fountain pens, glass pens, dip pens, cotton swabs, or even paintbrushes on both sides of the paper. Made in the USA: Col-o-ring Ink Testing Books are printed, assembled, and designed in Kansas City, featuring paper sourced from a trusted US distributor.
