Sold as 12/Set. Made of heavyweight pressboard for extra durability. Self tabs preprinted with months (Jan.-Dec.). This product was made using wood sourced from a certified managed forest. Set of 12 filing dividers. Sort files or paperwork chronologically with long-wearing pressboard guides. Made of heavyweight pressboard for extra durability. 1/3-cut center tabs preprinted with months (Jan.-Dec.). This product was made using wood sourced from a certified managed forest. Blank/Pre-Printed: January-December; File Guides Type: Preprinted Top Tab File Guides; For Card/Sheet Size: Letter; Guide Size: Letter.