The Infinity archive products developed by Leitz are specifically designed for the long-term archiving of documents in public archives, museums, libraries, historical foundations, hospitals, and private institutions. The Leitz Infinity products meet all quality and design requirements. The practical quick-assembly mechanism saves time and effort, and the products are ready for use in just a few seconds. The lightweight, 100% acid-free corrugated cardboard allows for easy handling. Since the Infinity cardboard is made with 60% less wood than standard solid cardboard, the series offers an ecological solution for archiving and storage. It is tested and certified according to ISO 16245-A for the long-term archiving of documents by the Paper Technology Foundation PTS. Premium corrugated cardboard of the highest quality (all three layers made from innovative, acid-free material, acid-free, pH value: 7.5 to 10, alkaline reserve for high aging resistance, certified stability of the products, cap value < 2, minimal lignin content, highest aging resistance, does not yellow or become stiff, pure cellulose, no bleeding, no optical brighteners, water absorption: COBB60 < 25 g/m², 100% recyclable, FSC certified). Container size L for 4 x 100 mm boxes or 5 x 80 mm boxes, with a separate lid. Dimensions: W 420 x D 350 x H 265 mm.