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  • BACKINGS for Half Sheet Posters. 22 x 28". .028" thick Acid-free Board. White both sides. Long-term Storage.

BACKINGS for Half Sheet Posters. 22 x 28". .028" thick Acid-free Board. White both sides. Long-term Storage.

SKU: KAF28HSP
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Details

This material is acid-free all the way through. Acid-free board can trap migrating acids in paper and neutralize it.

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