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.
Key Facts:
- All-in-one process – from paper roll to the finished mailing bag
- Maximum Speed: up to 300 bags per minute
- Produce mailers from 90 – 150GSM kraft paper
- Up to 2 peel & seal stripes for single and dual-use
- Fingerlift for fast sealing process
Machine Options:
- Unwind splicer and end of line bundle stacker for highest performance
- 1-4 color flexo inline printing available
- Various cut and bag shapes – including zero-waste format
- Tear strip with perforation shape options
Mailing 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 BagWidth Min. 229 mm (9 in) - max. 380 mm (14.9 in) Height Min. 305 mm (12 in) - max. 480 mm (18.9 in) | ![]() |
Mailing Bag With GussetWidth Min. 229 mm (9 in) - max. 380 mm (14.9 in) Height Min. 305 mm (12 in) - max. 480 mm (18.9 in) Standard Gusset (open) 80mm (3 1/8in) Optional Gusset (open) 127mm (5in) | ![]() |
Zero Waste Mailing BagWidth Min. 229 mm (9 in) - max. 380 mm (14.9 in) Height Min. 305 mm (12 in) - max. 480 mm (18.9 in) Standard Gusset (open) 80mm (3 1/8in) Optional Gusset (open) 127mm (5in) | ![]() |
Best Performance for Economical Production:
- Applicator for peel & seal and tear strip at the end of a single inline process
- Production process for high- quality mailing bags e.g. web tension control
- Format-independent perforation shapes
- Nearly all-toolless format change
- Central operation via moveable HMI
- Job setting save options for faster repeat jobs
- Open design for easily visible production process
- Robust 24/7 W+D design
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.


