To reink, simply add a few drops of ink from the reinker bottle onto the ink pad and spread evenly. Now it's ready to be used on the BetterPress Letterpress System! These inks are specially formulated Ranger Archival Ink made for the BetterPress Letterpress System. They are acid free, permanent, and waterproof. Change the way you create with BetterPress. It's an easy-to-use system that produces professional stationery style with detailed impressions that can be felt to the touch. The BetterPress System works with your manual die-cutting machine to create beautiful, effortless, and detailed letterpress effects. Inks are available in a variety of colors, each sold separately.