Clamshell Document Boxes Size:A3 Sponge will dry to a

Sponge will dry to a rock-hard state and become soft again when wet

Size: 55x100mm

and a natural white interior layer

acid and lignin free backing cards are made from 3mm Fluted Conservation Board from Klug Germany

Clamshell Document Boxes Size:A3 Sponge will dry to aPlease note: 3. 1mm Fluted Conservation Board is currently available in light grey only while we await a new shipment of the standard blue grey, due July 2026. Same product, same conservation grade quality, only difference is the colour. Clamshell style boxes with a drop down spine and internal dust flaps. Suitable for storing a range of documents, prints, photos and more. Made from 3. 1mm Fluted Conservation Board. Passes the Photographic Activity