
Product Details
BW Converting's W+D 449 E-COMMERCE machine can produce sustainable, reusable paper mailing bags - specially developed for the needs of online retail.
BW Converting's historic W+D brand has been established in the envelope and mail industry for 110 years and can offer profound expertise in paper processing. As a leading global technology, system solution and service partner in mechanical engineering, BW Converting is your partner for e-commerce shipping thanks to wide-ranging expertise in all relevant production processes.
Mailing Bag Key Facts
- Specially developed for approximately 80 percent of e-commerce shipments
- Up to 2 peel and seal stripes for single and dual-use
- Fingerlift for fast sealing process
- Tear strip with different perforation shapes
Mailing Bag Formats
A wide range of production options from one machine: with or without side gussets, or zero waste - in different formats and flexible in both material and grammage.

Standard Mailing Bag
WidthMin. 229 mm (9 in) - max. 380 mm (14.9 in)
HeightMin. 305 mm (12 in) - max. 480 mm (18.9 in)

Mailing Bag With Gusset
WidthMin. 229 mm (9 in) - max. 380 mm (14.9 in)
HeightMin. 305 mm (12 in) - max. 480 mm (18.9 in)
Gusset (open)Max. 80 mm (31/8 in)

Zero Waste Mailing Bag
WidthMin. 229 mm (9 in) - max. 380 mm (14.9 in)
HeightMin. 305 mm (12 in) - max. 480 mm (18.9 in)
Gusset (open)Max. 80 mm (31/8 in)
Best Performance for Economical Production
With the W+D 449 E-COMMERCE, BW Converting is building the fastest solution for the complete production of high-quality paper mailing bags. BW Converting's extensive experience in paper processing makes the difference - noticeable in every detail. Different extension stages and a variety of production options, each involving just one pass, which allows maximum flexibility and productivity.
- All-in-one process - from the paper roll to the finished mailing bag
- Maximum speed - up to 300 mailing bags per minute
- Options for Splicer and Bundle Stacker allows highest performance
- Various cut and mailing bag shapes
- Produce a wide range of paper types and weights ranging from 90 - 200 GSM
- 1-4-color flexo printing available
- Production process for high-quality mailing bags, e.g. web tension control
- Applicator for 2 peel and seal strips and 1 tear strip in a single inline process
- Application of peel and seal and tear strip at the end of the process
- Variety of tear strip perforation shapes
- Format-independent cutting sections
- Few format parts required
- Nearly all-toolless format change
- Job settings save options for faster repeat jobs
- Central operation via moveable HMI with fine adjustment options during operation
- Open design for easily visible production process
- Low-noise production operation
- Robust 24/7 W+D design