Made from heavy duty 4 mill the most rigid Mylar. The ultimate permanent and safe storage device.
Get protection from a variety of hazards: humidy, volatile poly bag breakdown, acid migration, oxygen decomposition, insects, ultra violet fading, and oils & greases.
Use the material specified by the National Archives, the Library of Congress, and preservation experts around the world!
وصف
The best raw plastic material available for permanent protection and storage! At 4 mil, these are the thickest Mylites available that are resistant to aging, decomposition, moisture, oxygen, and gas penetration.The fold-over flap can be tucked in or taped closed.