Three-hole punched so no sheet punching is necessary for you to file documents in three-ring binders. Archival-quality polypropylene material will not lift print from inserts.
Heavyweight, archival quality polypropylene means print won't stick to sheet protectors; Top-loading design eliminates the need for hole punching
Strong, reinforced binding edge prevents tears, even with heavy use
For 11" x 8-1/2" document storage in standard three-ring binders
