Tabbed Snap-In Bookmark Plastic Dividers, 5-Tab, 11.5 X 3, Assorted, 1 Set Bookmark-style plastic dividers offer a less-bulky way to get organized. Great for dividing, sub-dividing, or bookmarking a spot. Three-hole punched for use in standard 8 1/2 x 11 binders. Snap in and out of binders easily without opening rings. Handwrite on tabs or print white tab labels with free templates and designs at Avery Design & Print.