Postmaster DL Window Envelope - Manilla - 500 Pack

These Postmaster DL window envelopes are specifically designed for reliable use in mailing machine...

Best current price£43.56from B&Q

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B&QB&Q - Postmaster Envelopes Wallet Gummed With Window 80Gsm Manilla Dl Pack Of 500
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UK Office Direct DL Envelope 114x235mm Window Gummed 80gsm Manilla 500 Pack)
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Office StationeryPostmaster DL Envelope 114x235mm Window Gummed 80gsm Manilla Pack of
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Product Information

Full details

The Postmaster DL Window Envelope is designed for professional offices and high-volume mail centers that require consistent, machine-friendly stationary for daily correspondence. These 80gsm manilla envelopes offer a durable solution for automated mailing processes, ensuring addresses align perfectly through the integrated window. While the gummed closure provides a reliable seal, users should note that it requires manual or mechanical moistening rather than self-adhesive convenience.

All features

Model Part NumberD29152
BrandPostmaster

Extended Product Information

FAQs

What is the paper weight of these envelopes?

These envelopes are made from 80gsm manilla paper, which is standard for professional mailing.

Are these envelopes self-adhesive?

No, these envelopes feature a traditional gummed seal that requires moisture to activate.

Will these fit a standard A4 sheet?

Yes, when folded in thirds, an A4 sheet fits perfectly into these DL envelopes.

Where is the window located?

The window is 39 x 93mm, positioned 22mm from the left edge and 18mm from the bottom edge.

How many envelopes are in a pack?

Each pack contains 500 envelopes.

Can I use these in an inkjet printer?

While the envelopes themselves can go through some printers, it is generally recommended to print on the paper inserts rather than the envelope face to prevent jams.

Troubleshooting

Envelopes sticking together in the machine

Fan the envelopes thoroughly before loading them into the hopper to ensure they are not static-clung.

Seal is not sticking properly

Check that the moistening sponge on your mailing machine is damp and clean, as mineral buildup can prevent even distribution of water.

Address is not visible in window

Verify that your document fold style matches the DL envelope specification; ensure the address block is printed in the top-right quadrant of the folded document.

Pros and Cons

Pros

  • Compatible with most standard mailing machines
  • High-quality 80gsm manilla paper weight
  • Precise window dimensions for automated address alignment
  • Cost-effective bulk pack of 500 units

Cons

  • Requires moistening for the gummed seal
  • Manilla finish may not suit all branding requirements
  • Window is fixed, limiting alternative layout options

Setup, Compatibility & Care

To ensure proper function, keep the stack of envelopes in a cool, dry place to prevent the gummed strips from activating prematurely due to humidity. When loading into a mailing machine, fan the stack lightly before insertion to ensure the machine can separate them easily. Because the closure is gummed, verify that your automatic inserter or sealing machine has the water reservoir filled and correctly adjusted to apply the right amount of moisture. Do not store these in direct sunlight, as the manilla paper may fade or the adhesive may degrade over extended periods.

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