Sheet protectors safeguard important papers against accidental damage and prevent them from becoming worn due to frequent handling; Archival safe and acid free material prevents ink from transferring off documents, allowing the sheet protectors to be reused Durable poly material is water-resistant and nearly impossible to tear Top-loading design makes it easy to add or remove pages Pre-punched with 7 holes for use with ring binders and planners Mini size sheet protectors hold 5 1/2" x 8 1/2" sheets and are perfect for use with mini binders