Cachet Signature Series archival presentation solutions are hand-manufactured in the U.S. to the highest archival standards. All the materials used in their construction, the board, the lining paper, and the glue, are pH neutral and meet the highest archival standards. Photos and important documents stored in these cases receive the best protection against attack from environmental contaminants. Museum quality. These cases are perfect for preserving and storing photos, keepsakes, heirlooms and important documents. Used by artists, photographers, museums and curators worldwide. Special features include an embossed space for a personalized message or label and reinforced cloth-taped seams.