Expanding files with flaps customize records, projects, departments or sales accounts. Features 21 pockets and 20 tabs. Expands to 17". Sturdy chipboard front and back panels add rigidity for easy handling. Acrylic-coated paper and Mylar-reinforced gussets. Moisture-resistant. VELCRO Brand hook-and-loop closure. Made 50 percent recycled content. Oxford Side Tab File Pockets