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The BSC PREFERRED B831 is a poly bubble mailer designed for lightweight, protective shipping. It combines a polyethylene outer layer with an interior bubble lining, giving packages both moisture resistance and cushioning in a single envelope. The self-sealing closure secures contents without tape or additional materials. At 6.78 pounds per case of 250, the per-unit weight is low enough to help reduce carrier costs on outbound shipments. These mailers are tamper and tear resistant, making them a reliable choice for shipping small parts, documents, and light merchandise.
The B831 poly bubble mailer is suited for warehouse, mailroom, and distribution center use. It is a practical solution for businesses shipping small trade components, fasteners, fittings, sensors, or similar items that require basic impact and moisture protection in transit. Sold in cases of 250 units, the B831 is intended for moderate-to-high-volume shipping operations where per-unit cost and consistency matter. The case format allows for straightforward inventory management and pallet-friendly storage.
Equivalent to part number S-7543. Designed as a standard poly bubble mailer suitable for general-purpose lightweight shipping applications.
No tools or trade licensing are required to use these mailers. Ensure contents fit fully within the mailer before activating the self-seal strip; do not fold or crease the seal area, as this may compromise closure integrity. Store cases in a dry, temperature-stable environment to preserve the adhesive seal strip.
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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