6.75 x 10.5 – Katrajdairy

25 Extra Thick Comic Book Backing Boards Thick Silver Boards Archival Acid Free

July 14, 2026

Made from virgin pulp and coated with a 5% alkaline buffer, these ultra-rigid, acid-free paper boards give you superior protection to the leading thick boards you have have used before. Archival Properties: Acid-free; 5% calcium carbonate buffer.

Extra Thick Current Age Comic Book Backing Boards (x50)

July 14, 2026

50 Extra Thick, 42pt Paper Backing Boards Our NEW thick boards are an upgrade from standard comic boards, and are 20% thicker than the market-leading thick board. Measuring 6.75″ x 10.5″, these Current Age boards are great for protecting comics produced circa mid-1980’s to present. Thickness: 42ptsQuantity: 50 boardsDimensions: 6.75″ x 10.5″Archival Properties: Acid-free; 5% calcium carbonate buffer coating