BetterPress Ink Mini Set by Dina Wakley includes four 1.35x1.75-inch ink pads. Designed to coordinate with the acrylic paints and glosses in Dina Wakley's line of art supplies from Ranger Ink, these signature colors are perfect for capturing the bright and colorful tone Dina is famous for. These inks are specilally formulated Ranger Archival Ink made for the BetterPress Letterpress system. They are acid free, permanent, and waterproof.