4×6 Photograph Storage Envelope – PAT Passed

4×6″ photograph envelopes for safe long term archival storage. PAT passed and acid free 200gsm paper, buffered to prevent acidic migration and development. Can also be used for postcards, clippings or other small documents.

The side seam construction prevents uneven pressure on contents and the high quality 200gsm paper offers excellent protection.

• 112 x 178mm internal dimensions, 75mm flap
• Side seams construction to enable even stacking
• Archival and acid-free paper 200 gsm weight stock
• Acid free for long term storage of papers and more
• PAT passed safe for long-term storage of photographic materials
• Lignin Free, 100% bleach cellulose
• Alkaline buffer > 3% natural calcium carbonate to protect from acid migration
• Free of optical brightening agents
• ISO9706 International Standard for long life papers and board
• FSC certified responsibly sourced material