Avery Laser/Inkjet Hanging File Folder Inserts, 1/3 Tab, 3 1/2, White, 100/Pack Sold as 100/PK. Create titles instantly for your hanging file folder from your computer. Side-by-side folding design allows printing on both sides of the insert, making it easier to identify and retrieve important information. Easy to customize with free templates from Avery Design & Print. Handwrite or print inserts.