One 4-pack of 1.25" x 1.25" Hero Arts Core Ink Cubes featuring Mist, Periwinkle, Aquatic, and Deep Ocean inks. Our inks are perfect for everyday stamping and crafting. Acid-free and archival. Coordinate with Hero Arts stamps, papers, and accessories to create vibrant paper crafts. For best results, store ink pads flat in a cool and dry location.