Heavy-duty plastic tabs won't curl or tear. Easy to read, just attach the to side of the page. Includes blank "write-on" tabs; preprinted numerical and alphabetical tabs. Permanent adhesive. 1" x 7/16". Preprinted Numeric Tabs—Indexed from 1 to 10. File Insert/Tab Type: Index Tabs; Tab Cut: 1/12-Cut; Color(s): White; Color Family: White.