Filertek 12 File Tabs (Color) + 1 Dry Erase Pen - BlackEasy to Use. 1. Flip the clear cover open and write directly onto the tab with the Filertek Dry Erase Pen. 2. Click the clear cover closed. 3. To re-use simply flip open the clear cover, wipe of the ink and write again. Fits all hanging and suspension files. File tabs install in seconds are reuseable and rewriteable.