Simple covers, made of acid-free cream paper, with neutral pH, with 120grs / m2.
 Acid-free paper, with calcium carbonate reserve, according to ISO 9706, passed the PAT
 Available in the following sizes: 32x22, 36x25, 42.5x30.5, 22x15.5.
 Sold in packs of 50 or 100 units.