https://www.supplyland.com/Product/P11825
17 1/8 x 11 1/8 x 4" White Literature Mailer Boxes, 50/Bundle | SupplyLand
17 1/8 x 11 1/8 x 4" White Literature Mailer Box for packaging for catalogs, binders and promotional materials. Assemble quick and easy without tape.
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