100 high-quality rigid backing boards to protect comics from bends and creases.<br /><br />- 100% certified acid free<br />- Excellent volume and rigidity<br />- Min. 26 pt. high bulk boards, less fibre<br />- Min 7% calcium carbonate buffered<br />- Full high quality front side coating<br />- Precision cut & bright white finishing<br />- Backing Board dimensions: 171 x 266 mm<br />- 400 g/m² Backing Board weight<br />- Made for long-term archival storage<br />- Fits Ultimate Guard Current Size bags (UGD020002 & UGD020008)<br /><br />Made in European Union.