Regal Tones BetterPress Ink Mini Set includes four 1.25 x 1.75-inch ink pad colors of Bark, Mulberry, Cosmic Sky, and BetterPress Black. These inks are specially formulated Ranger Archival Ink made for the BetterPress Letterpress System. They are acid free, permanent, and waterproof. Follow the BetterPress Letterpress System instructions to create beautiful and detailed letterpress effects with these inks. Reink only with BetterPress Ink Reinkers (sold separately). Clean inked press plate with Ranger Archival Ink Cleaner. Change the way you create with BetterPress, an innovative way to achieve the elegant look of letterpress without all the mess. It's an easy-to-use system that produces professional stationery style with detailed impressions that can be felt to the touch. Combine BetterPress with the Glimmer Hot Foil System, the Sealed with Spellbinders wax seal program, and the extensive library of Spellbinders products to create one-of-a-kind cards, stationery, projects and more. The BetterPress System works with your manual die-cutting machine to create beautiful, effortless, and detailed letterpress effects. Approximate Size: 1.25 x 1.75 in./3.18 x 4.45 cm