**NEW** Made from E-Flute Blue Corrugated Cardboard.
20 x 2-7/8". Scored as shown on diagram.
This acid-free, lignin-free material has a pH 0f 8.0-9.0 with a 3% calcium carbonate buffer. Fold spacer on scores to decrease size as box fills with cards.
Museum-grade archival.
SKU: xsptcdarc
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