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Gaylord Archival® 30 x 40" 20 pt. Poster Backer Boards (25-Pack)

Part #: BB3040


These acid-free, buffered 30 x 40" 20 pt. Poster Backer Boards (25-Pack) provide the rigid support needed when storing or displaying your collectible posters in envelopes.
  • For use as a stiffener in poster and print envelopes
  • Acid-free material provides rigid support and additional protection
  • Buffered to resist acid migration
Buffered Yes
Acid-free Yes
Lignin-free No
Color Dark tan
Height (in.) 30
Width (in.) 40
Thickness 20 pt.
Brand Gaylord Archival®