Clamshell boxes KS 17 Albertina

A tightly closing clamshell box with extra supports - ideal for graphic collections. Smooth interior and exterior surfaces. When closed, the box has a double-walled spine and even eightfold wall-thickness on three sides ensuring highest stability. Additional supports in bottom and lid for extra strength. Even though absolutely dustproof, the box is still breathable. Delivery assembled (upright), ready for use.