Built-in antimicrobial AgION coating prevents growth of bacteria, yeast, molds, and fungi, ensuring the safety and long life of your sheet protector. No hole punching is necessary, keeping documents in original condition. Acid-free, archival-quality; print/images won't transfer from inserts. Load Orientation: Top; Sheet Capacity: N/A; Sheet Protector Type: Ring Binder; Insert Size: 11 x 8 1/2.