Archival, acid-free ink is waterbased and contains crushed glass to give a unique and beautiful sparkle! Waterproof after drying. Store these pens with cap down or on their sides for best ink flow. Contains the following colors: 01 Lavender, 02 Pink, 03 Red, 04 Orange, 05 Lemon, 06 Melon, 07 Olive, 08 Turquoise, 09 Sky Blue, 10 Black, 11 Gold, 12 Silver