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The BSC PREFERRED M1BKXL is a white corrugated book mailer designed for shipping books, catalogs, framed pictures, and similarly sized flat or rigid items. Built from 200/ECT-32-B corrugated board, it offers a sturdy, crush-resistant structure suited for standard mail and parcel carriers. The mailer is scored at multiple depths, allowing the packager to set the box depth to fit the product rather than the other way around. No carton setup is required - place the item in the center, fold in the sides to the desired depth, and seal with tape. Sold in a pack of 50 units.
This mailer is used in mailrooms, warehouse shipping stations, fulfillment operations, and small-business packing workflows. It handles books and bound materials, single-pane framed art, catalogs, and promotional materials that require a clean, professional exterior. The white corrugated finish presents well at point of delivery without additional overwrap. The scored design is especially practical in environments where outgoing shipments vary in thickness from item to item.
This item is equivalent to part number S-3178. Designed as a general-purpose corrugated book mailer compatible with standard tape-seal workflows and common parcel carrier requirements.
No tools are required for assembly. Place the item in the center of the open mailer, fold the scored sides inward to the desired depth, and secure all seams with pressure-sensitive or water-activated tape. Ensure all edges are fully sealed before handing off to a carrier to prevent contents from shifting in transit.
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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