Pendaflex 59251 Pressboard Hanging Classi-Folder, 1 Divider/4-Sections, Letter, 2/5 Tab, Blue These durable 100% pressboard folders have prong fasteners inside both covers and on both sides of dividers. 25 pt. blue pressboard covers have 2/5" cut self-tab index tabs in right of center position. 20 pt. pressboard center dividers. Hanger rods fold down for convenient transporting. 2" expansion gusset made of long lasting Tyvek tape. Unit of purchase is one folder.