These large 16x24" bags are heavy weight yet they are archival and uncoated. This 16x24" Poly Zip Seal Newspaper Pouch 4 mil Clear Envelope is water resistant, thick, and completely inert. Size is 16"x24", zips along the 16" side. It nicely fits most older aged (civil war, etc) newspapers flat (in reading position) up to 15.5"x23.5". In the home economics world, they are popular to use for storage of household goods. They work well for protection from moisture.
