Clamshell Box with Fine Art Paper Kit & Video | The Crafter's Box
IU Libraries Preservation Manual
Clamshell Boxes – London Bookbinding
Amazon.com: Lineco 22x30 Black Archival Folio Storage Box. Metal Edge Archival Boxboard, Clamshell Lid. Protects Longevity, Organize and Store Photos, Documents, Craft, Cards, Magazine, Prints : Electronics
Clamshell Box Image Gallery | Hartnack & Co | England
Half Clamshell Box 11 X 8 1/2 - Kristin Dunn bookbinding & design