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The BSC PREFERRED M432K is a pack of 50 kraft corrugated mailers designed for shipping small, lightweight, and fragile items while keeping postage costs low. Manufactured from 200/ECT-32-B kraft corrugated material, these mailers are built to resist crushing during transit. Each mailer folds to create double walls of protection on the front and sides, eliminating the need for tape, glue, or staples. They are well suited for mail rooms, fulfillment operations, and shipping departments that require a fast, clean closure without additional fastening materials.
These mailers are intended for lightweight items where dimensional weight and postage costs are a concern. The self-folding construction makes them practical for high-volume packing environments. Each pack contains 50 mailers, making the M432K a convenient unit for restocking shipping stations. They are appropriate for both commercial fulfillment operations and small business shipping needs where item protection and cost efficiency are priorities.
Designed as a standard kraft corrugated mailer suitable for shipping small, lightweight fragile items across common carrier and postal services. Equivalent to part number S-16610.
No tools are required to assemble these mailers. Fold along the pre-scored lines to form the double-wall structure before placing the item inside. Ensure contents are properly centered before closing to maintain the structural integrity of the double walls during 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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