Customize tab titles and create professional dividers using these index dividers and laser printers. Standard software programs provide label layouts for quicker and easier formatting. The labels virtually disappear when applied to tabs on the side of dividers. Dividers are three-hole punched with Mylar reinforcement around the 9/32 holes for use in standard binders. Dividers include easy-to-follow instructions. Paper is made with at least 30 percent post-consumer material.