Archival four flap enclosure. Ideal for the long term storage of glass plates, small rare books or photographs.
Made from 100gsm Heritage Woodfree Paper which is lignin free, acid free and buffered to pH 8.5 with calcium carbonate.
Passes the P.A.T.
Four flap enclosure, ready creased for folding.
To fit: 3 x 4″
Maximum enclosed area: 90 x 115mm