These recycled paper dividers are created with 100% post-consumer recycled paper; divider paper is also sourced responsibly to ensure the responsible use of the world's forest resources Paper processed chlorine-free, these paper dividers are created in a way that substantially reduces the number of harmful substances used during manufacturing The Avery Ready Index design organizes the preprinted tabs by color-coded numbers so that you can print your details on the printable table of contents page The table of contents page and divider tabs can be used in portrait or landscape format with a different orientation printed on either side Compatible with both laser and inkjet printers, the table of contents pages are easily customizable with the templates and tools on the Avery site