The Regal Tones BetterPress Ink Mini Set includes (4) 1.25" x 1.75" ink pads: Bark, Mulberry, Cosmic Sky, and BetterPress Blackl.  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 (sold separately) instructions to create beautiful and detailed letterpress effects with these inks.  Re-ink only with BetterPress Ink Re-inkers (sold separately).  Clean inked press plate with Ranger Archival Ink Cleaner (sold separately).  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.