Hartwii Black On White Cassette Compatible for Epson Label Tape LC-4WBW 12mm 8m (1/2 x 26") Used For EPSON Serial Label Printing Machines Model number:SS12KW / LC-4WBW Color: Black on White Size: 12mm x 8m / 1/2 x 26" Other Colors:More than 20 colors to be chosen