Notebook Organizer, Snap-In Spiral Dividers 5 Tabbed, Full (8.5x11) Page Dividers: Snap In & Out of spiral notebooks Fits 8.5 x 11 Spiral notebooks Write & Erase on whole divider with Ball point pen Insert-able, Removable, Repositionable, Re-Usable MADE IN THE USA - Designed by a Professional Organizer