3 otters File Folder Tabs, 150 Sets Hanging File Folder Tabs with 300 Sets 2inch Inserts Labels for Hanging File Folder, Plastic File Tabs for Quick Identification.The package includes 150 x Insertable Plastic Hanging File Folder Tab, 300 x White Blank Paper Insert.I like that this is a good value for money and so useful as well.hanging file folder tab is made of PVC, which makes the tab elastic and durable, solid and firm. The insert is made of 80g cardboard, double thick and wrinkle-resistant, smooth and easy to write.