Trading Card Two-Piece Storage Box.
3-7/8 x 2-15/16 x 3"
Black Archival Conservation Board.
Holds 100-150 cards.

Museum Grade AlphaCell Trading 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.