The BCW Pro 4-Pocket page is an Acid-Free and PVC-Free archival quality product that is perfect for storing 3½" x 5" photographs or postcards. This product features high-clarity polypropylene and top loading pockets with strong welds. BCW Pro 4-Pocket pages fit all standard 3-ring binders and albums. Use the 4 pocket page to protect, store, and display your valuable photos and postcards. Perfect size for Transformer TCG Character cards, Magic: The Gathering Planechase, Vanguard, Archenemy, or Commander cards in toploaders. 20-Pages Total