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The BSC PREFERRED MFL12126 is a white corrugated document mailer box built for secure, damage-resistant transport of flat documents and files. Constructed from 200/ECT-32-B single-wall corrugated board, the box delivers a strong, rigid structure suited to both interoffice and outbound shipping applications. Protective side flaps reinforce the contents during transit, and the front outside tuck closure locks the box shut without requiring tape, glue, or staples. This SKU ships as a pack of 50 units. Shipping and warehouse staff, mailroom personnel, and office supply managers are the primary users of this product.
This mailer is designed for flat documents, legal files, certificates, blueprints, and similar materials that require protection from bending and crushing. The tool-free assembly makes it practical for high-volume packing environments where speed matters. The 50-unit pack format suits bulk stocking at distribution centers, copy centers, legal offices, and facilities with ongoing document-shipping needs. No specialized equipment is required to assemble or seal the box.
Equivalent to part number S-11228. Suitable as an OEM-style replacement or direct substitute for standard corrugated document mailer boxes of the same construction grade and closure style.
No tools are required to assemble this mailer. Fold along the pre-scored lines, engage the side flaps, and close the front tuck to secure contents. Store flat in a dry location to maintain board integrity before use. Avoid stacking heavy items on assembled mailers to prevent compression damage to contents.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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