Two-hole punched poly retention jacket allows you to add documents to fastener folders without punching them. Handy clear pockets are adjustable to fit either letter-size or legal-size folders. The front of each pocket is die-cut for easy access to contents, and the clear stock aids in viewing of the contents. Each pocket expands to 3/4" to hold more than 100 sheets of paper. Super-durable polypropylene will not transfer toner from important documents. Material is acid-free, archival-quality, waterproof and tear-resistant.