Museum Grade Trading Card Storage Box
Holds 400 cards 3-3/4 x 2-3/4 x 6-3/4" (inside) W x H x D Made from Blue-Gray Archival Corrugated Cardboard. Cards store horizontally.
The material that these boxes are made from is acid-free, lignin-free and approved by the Library of Congress for indefinite storage. Boxes ship and store flat. Fold together. Museum-grade archival.