Pendaflex® Manila End Tab File Pocket With Tyvek Gusset Helps To Keep Thick, Heavy Stacks Of Paper Securely Inside Without Tearing. When You're Working On A Project For A Client, You Need To Keep All The Documents Associated With That Project Safe And Organized For Easy Reference. Pendaflex End Tab File Pockets With A Tyvek Gusset Are Reinforced For Secure Storage And Feature Rollover Protection To Help Prevent Wear.