The Canson Infinity A4 Archival Storage Box is specially designed
 for archiving and conserving photographs and documents. it is 
constructed from Canson Infinity's selected Archival board that meets 
the ISO 9706 requirements for paper permanence and conforms to the PAT 
(Photographic Activity Test according to ISO 18916) to ensure the 
integrity of your prints over time. Containing a high level of alpha 
cellulose, this is an acid-free storage box produced in neutral pH 
conditions without OBA or recycled materials. A surface covering of a 
specially selected black Wibalin® Buckram paper offers a high water and 
light fastness.
This lid and base box contains a neutral ribbon to improve handling and 
removal of photographs or documents. In addition, 25 sheets of glassine 
are included to help protect your prints from scratching and abrasion. 
The interior of the box measure 22.5cm x 31cm x 3.5 cm.