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The BSC PREFERRED M1052 is a pack of 50 white corrugated mailers designed for shipping small, lightweight, and fragile items. Manufactured from 200/ECT-32-B white corrugated board, these mailers fold to create double walls of protection on the front and sides, providing crush resistance during transit. The self-locking design requires no tape, glue, or staples, which speeds up packing operations and reduces supply costs. The corrugated construction keeps overall weight low, helping to manage postage and carrier fees. This pack is a common choice for mail rooms, fulfillment operations, and service businesses that ship small parts or components regularly.
These mailers are suited for light-duty shipping applications where standard envelopes provide insufficient protection but full corrugated boxes are unnecessary. Typical use cases include shipping small electronic components, hardware, samples, documents, or fragile retail items. The self-closing fold-over design supports high-volume packing workflows without the need for additional sealing materials. Each pack contains 50 individual mailers, making it practical for both low-volume and moderate-volume shipping needs.
Designed as a general-purpose corrugated mailer suitable for standard small-parcel and postal shipping applications. This product is equivalent to part number S-16532.
No tools are required to assemble these mailers. Fold along the scored lines to form the double-wall structure, insert the item, and lock the closure tab to seal. Ensure the contents are appropriately sized for the mailer interior to allow the closure to seat fully. Store flat in a dry environment to maintain board integrity prior to use.
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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