Tropical BetterPress Ink Mini Set includes four 1.25 x 1.75-inch ink pads in the colors of Peridot, Tiger, Teal Topaz, and Azure for a gorgeous set that conjures sunny days and ocean vistas. These inks are specially formulated Ranger Archival Ink made for the BetterPress Letterpress System. They are acid free, permanent, and waterproof. Follow the BetterPress