https://www.officesupplynow.com/oxf57402ee-poly-twin-pocket-folders-letter-size-dark-blue/
OXF57402EE Poly Twin Pocket Folders, Letter Size, Dark Blue
Polypropylene is wear, tear and moisture resistant.
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https://www.nordisco.com/products/oxford-letter-recycled-pocket-folder-oxf57538.html
Oxford 57538 Twin Pocket Letter-size Folders | Nordisco.com
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