Pendaflex® Red Fiber Stock Heavy-Duty Expanding Pocket Folder Is Designed With Rip-Proof Tape On The Gussets, Pendaflex Fiber Stock Heavy-Duty Expanding Pocket Folders Are Ideal For Busy Offices That Need To Keep Documents Secure And In Order. The Pocket’s Drop Front Makes Accessing Files Simple. Made With Extra-Heavy-Duty 17 Pt Fiber Stock For Durability. Acid-Free Stock Is Ideal For Archival Use.