114 x 235mm DL+ Low Window Gummed Mailer 3909

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114 x 235mm 90gsm DL+ Low Window Gummed Mailer Code 3909
Twofold envelopes are compatible with all Twofold folder inserters and franking machines, to help reduce downtime associated with incompatible envelopes.
These envelopes are priced per box of 1000, enquire for the most competitive price and options for storage and call-off service.


Huge range of envelopes

We offer a wide selection of machine compatible, bespoke and self-seal envelopes in a range of sizes, window sizes and positions.

FREE Storage

You can take advantage of our FREE storage for up to 12 months, allowing you to make savings on larger orders and schedule call off when you need them through the year.

Next Day Delivery

We deliver almost everywhere in the UK and in most cases can deliver next day if ordered before 1.30pm.

If you have any questions about envelopes or packaging for your organisation, just call the team on 0118 951 9800 as they are always happy to help.


See our Returns Policy

Additional information



Envelope Size

114 x 235mm

Window Size

39 x 93mm

Window Position

20mm up, 20mm from left hand side

Horizontal / Vertical Window




Outside Seams


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