The black 1.5" deep 13x19" Clamshell Digital Box from Century Archival Storage provides durable, moisture-resistant archival storage for your 13x19" prints. It features a one-piece clamshell design to shield from dust, and a white, Permalife paper interior free from lignin, acid, or sulfur. Designed for archival storage, it has a moisture-resistant, acrylic-infused woven exterior.
Environment with ph of 8.0
Lignin/ acid/ sulfur-free liner buffered with 3% calcium carbonate
Permalife paper lining features life expectancy of 300 years