Protective, transparent sheaths for postcards are typically made of archival-quality polypropylene or polyethylene. These offer a snug fit and safeguard against scratches, fingerprints, moisture, and ultraviolet light damage, preserving the postcard’s condition... Read more »
Protective, transparent sheaths for postcards are typically made from polypropylene or polyethylene. These offer a barrier against dirt, fingerprints, moisture, and other potential damage. Common sizes correspond to standard postcard dimensions. Archiving... Read more »
