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The BSC PREFERRED RM3W is a stayflat chipboard mailer designed to protect photos, documents, and flat items during shipping and handling. Constructed from white chipboard, the mailer provides rigid support without requiring additional stiffeners inside the envelope. The tab lock closure secures contents without tape or additional hardware. Sold in cases of 100 units, the RM3W is lightweight by design to help reduce postage costs. These mailers are appropriate for shipping facilities, print shops, fulfillment operations, and any worksite regularly sending flat, rigid media through standard mail or parcel carriers.
The RM3W is suited for residential and commercial shipping applications where flat documents, photographs, certificates, or printed materials must arrive undamaged. The stayflat construction eliminates the need for corrugated inserts or foam padding in most standard mailing scenarios. Each case contains 100 mailers, making it practical for moderate to high-volume dispatch operations. The white chipboard surface is also compatible with labeling directly on the mailer face.
Designed as a stayflat mailer for standard flat-item shipping applications including photos and documents. Equivalent to part number S-903 per supplier data.
No tools or trade licensing required for use. Insert contents flat before engaging the tab lock closure to ensure a secure seal. Store unused mailers flat in a dry environment to prevent warping of the chipboard. Handle case packaging carefully to avoid crushing mailer edges 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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