The standard for alphabetic colour coding in both top tab and end tab filing systems, these wraparound style labels can be read from both sides.Thirteen colours code all 26 letters; first half of alphabet has coloured letter against white and second half has white letter against coloured background.Two letters are assigned to each label to reduce inventory.Simply tear off the unused letter when removing from the backing sheet.Use alone for midsized alphabetic filing systems or with ACCS or ACC style labels in larger systems.