Paper is made entirely of post-consumer recycled fiber. Customize index sets by printing onto the Table of Content sheets. Matching, preprinted tabs on the divider sheets can be used in either portrait or landscape formats. Multicolored tab sets have coordinating, multicolored Table of Content sheets. Easy to use, no-cost templates in your favorite software are available online; details on packaging. Tabs & ring edges are reinforced to withstand heavy use. Laser & inkjet compatible. Three hole-punched. Index Divider Style: Arabic Numeric; Index Divider Size: 11 x 8.5; Punched / Unpunched: 3-Hole Punched; for Use With: Ring Binders.