Amazon.com: Lineco Gray 18x24 Clamshell Box 18.5" x 24.5" x 1.75". Archival with Metal Edge.for Picture Longevity, Store Photos or Documents, Crafts, Cards, Magazines, Prints, DIY. : Electronics
Lineco Folio Archival Storage Box Black - RISD Store
Archival Methods Onyx Portfolio Box | 16.25 x 20.25 x 4", Black Buckra | K&M Camera
Archival Document Box (letter & legal) | TALAS
Jackson's : Black Basic Archival Boxes : 50mm Deep | Jackson's Art Supplies
Print File Black Archival Portfolio Box with Black 210-5050 B&H
Blick Archival Storage Boxes | BLICK Art Materials