Copic Multiliner SP pen refill ink is archival, waterproof, bleedproof, and pigment-based ink that is very convenient and environmentally-friendly. Photocopy safe; will not dissolve toner; compatible with Copic markers. Architects, designers, illustrators, and sketch artists love these long-lasting inking pens because they provide the highest quality for all inking demands. Multiliner SP black ink refill cartridge TYPE B fits: 0.2, 0.25, 0.3, .35, .5, .7, and BS pens. Copic REFLB Multiliner SP pen refill ink.