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Stack of white easy-fold mailers 12 x 9 x 3 pack of 50

Partners Brand

Partners Brand M12932BF Easy-Fold Mailers 12 x 9 x 3 White Pack of 50

SKU CH-PTG3-G9QNJ

White easy-fold mailers measuring 12 x 9 x 3 inches, supplied in a pack of 50 for shipping and mailing use

  • Product colorWhite
  • White finish suits professional shipping needs
  • Easy-fold design speeds up packing workflow
  • 12 x 9 x 3 dimensions fit standard items
  • 50-count bundle covers high-volume dispatch
  • Partners Brand quality for reliable mailroom use

Easy-Fold Mailers for Flat Items

These white mailers measure 12 by 9 by 3 inches and fold easily around documents, catalogues or small boxed goods. The pack contains 50 units, making them suitable for regular office dispatch or e-commerce fulfilment. They arrive new and ready to use without assembly.

Paper Construction Limits Protection

The flat paperboard design protects against creasing and minor impacts but does not cushion heavy or fragile contents. Items thicker than the 3-inch depth will not seal properly, and the material is not rated for moisture resistance or extreme handling.

Simple Fold-and-Seal Assembly

Each mailer ships flat and folds into shape in seconds, then seals with tape or an adhesive strip. The most common issue is overstuffing, which prevents the flaps from closing flat and can cause the seams to split during transit.

How it compares

Measured against everything we stock in Packing Materials & Shipping Labels, at today’s prices. Recalculated every night.

Price $117.99
Pricier than about 71% of the 3,067 comparable items (median $52.99).

Specifications

Product
Brand namePARTNERS BRAND
Product colorWhite

Questions about this item

How many mailers come in the 12 x 9 x 3 pack?

The bundle contains 50 mailers, each measuring 12 inches by 9 inches by 3 inches when assembled.

What size items fit inside a 12 x 9 x 3 mailer?

The internal space measures 12 inches long, 9 inches wide and 3 inches deep, so flat or slightly bulky items up to those dimensions will fit.

How does the easy-fold design work for packing?

Pre-scored fold lines let you crease the sides and bottom by hand, then seal the mailer without tape or glue for quick shipment preparation.

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