These Avery Big Tab Write & Erase Durable Plastic Dividers let you write, erase and reuse your 3 ring binder dividers, ready for easy changes at any time. Easily customize your dividers by writing directly on the stylishly shaped tabs with a ballpoint pen or pencil, and erase as needed. You can also take quick notes on the 8.5" x 11" plastic divider body and easily erase later.