Top Loader Two-PieceStorage Box
3-1/8 x 4-1/4 x 4-7/8"
Black Archival Conservation Board
Holds (50) 55pt top loaders.

Museum Grade AlphaCell TOP LOADER Storage Box 
3-1/8 x 4-1/4 x 4-7/8"(inside) W x H x D
Holds(50) 55pt top loaders
    (35) 100pt top loaders
    (30) 120pt top loaders
    (25) 130pt top loaders or
           (20) 180pt top loaders

Boxes are 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.