Bankers Box City Box 30+ Years Acid Free Cardboard Transfer Box File Pack of 50 7771001Designed for institutions and municipalities with strict archival requirements, this heavy-duty manual transfer box file is made from acid-free corrugated cardboard to ensure safe, long-term document storage. Fully compliant with ISO 16245 Type A standards and certified to ICN Standard 3, it guarantees document retention for a minimum of 30 years. Ideal for storing paper or parchment records in accordance with the Public Records Act, the box is constructed from cardboard and is 100% recyclable, offering both durability and sustainability for professional archiving needs.Key Features:• Heavy-duty manual transfer box file• Acid-free corrugated cardboard construction• Made from FSC MIX 70% cardboard• 100% recyclable• Certified: ISO 16245 Type A (for the long-term storage of documents on paper or parchment)• Certified: ICN standard 3 (for the long-term retention, a minimum of 30 years)• Ideal for fulfilling strict requirements of the Public Records Act• Pack of 50.