Protect your delicate photographs, art prints, and documents with this A3+, 13 x 19" Archival Photo Storage Box from Canson Infinity. Made from specially selected archival board it meets the standards of ISO 9706 for paper permanence, and the material contains a high level of alpha cellulose, is produced in neutral pH conditions (acid free) without optical brightening agents or recycled material, and it conforms to the Photographic Activity Test according to ISO 18916. The surface is covered with a specially selected black Wibalin Buckram paper which offers a high water-resistance and light fastness. The box also contains a neutral ribbon for easier handling of paper and protection from damaging the documents. It also comes with 25 pre-cut 13 x 19 sheets of glassine to protect your prints from scratching and abrasion.