Museum Grade AlphaCellTrading Card Storage Box 3-7/8 x 2-15/16 x 3"(inside)W x H x D
Holds 150 cards in polyethylene / polypropylene sleeves or 100 cards in polyester (mylar) sleeves
Cards store horizontally.
Made from Black Conservation Grade board that is acid-free, lignin-free and approved by the Library of Congress for Indefinite storage. Boxes have metal reinforced corners for stacking strength and box shape integrity. The material has a UV gloss varnish that blocks UV rays. Museum-grade archival.