https://www.officedepot.com/a/products/692146/Office-Depot-Brand-Chipboard-Pads-Kraft/;jsessionid=0000QIsSrTxJgVl7deIrdDnw7ZZ:17h4h7bqh
Make sure your documents and photographs remain unbent during transport and storage. The tough chipboard material protects against accidental damage.
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