Protect and display your collection with our superior quality Optima refills, made from a special film free of chemical softeners for safe, long-term storage. These black sheets offer pockets on both sides of the page, effectively doubling your storage space without compromising protection. Fully compatible with Compact and Optima ring binders, these sheets provide a flexible and reliable solution for organizing and preserving coins, stamps, and other collectibles. Pocket size: approx. 180 x 42 mm. Total page size: approx. 200 x 250 mm.