Standard file pockets offer an economical filing solution for your large, bulky documents or small items. Tyvek-strip gusset top with added rollover feature prevents tearing. Gusseted sides expand with project needs. 3-1/2" expansion holds up to 800 letter-size sheets. Front flap folds down for easy access. Full-length tab on back cover provides room for labels or handwritten titles. File pockets also offer durable front and back covers.