These mini ink cubes are perfect for crafting on the go and perfect for use with alcohol-based marker! Pottery Studio Premium Ink Cube Pack contains Jellyfish , Crunchy Leaf , River Rock , and Jet Black mini ink cubes. Made in the USA For use with alcohol-based markers 1" cubes For use with alcohol based markers Acid-free, archival and fade resistant Waterproof, fast drying and permanent Raised pad surface for use with all size stamps