Sheet protectors feature a top flap that prevents documents from falling out so you can store and protect odd-sized documents up to 8-1/2" x 11" in size. Three-hole punched to fit inside standard three-ring binders. Sheet protectors offer a top-loading design. Made of super heavyweight polypropylene designed to withstand frequent use in your binder. Acid-free and archival-safe material provides long-term protection. Will not lift print.