Postmaster DL Envelope - 114x235mm - 500 Pack

Plain wallet envelopes designed for reliable use in mailing machines. These bright 90gsm white pap...

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Office StationeryPostmaster DL Envelope 114x235mm Gummed 90gsm White Pack of 500 F29151
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Product Information

Full details

The Postmaster DL Envelope (114x235mm) is an ideal choice for businesses and offices seeking reliable, high-volume mailing supplies optimized for automated processing. These 90gsm white paper envelopes provide excellent opacity and secure gummed sealing, making them perfect for standard professional correspondence, though they require moisture for activation of the adhesive flap.

All features

Model Part NumberF29151
BrandPostmaster

Extended Product Information

FAQs

What is the weight of the paper used?

These envelopes are made with 90gsm paper.

Does this envelope have a window?

No, this specific model is a plain envelope without a window.

How many envelopes are in a box?

Each box contains 500 envelopes.

What are the exact dimensions?

The dimensions are 114 x 235mm, which is the standard DL size.

Are these suitable for standard A4 paper?

Yes, A4 paper folded into three equal sections (DL fold) fits perfectly.

How do I seal these envelopes?

These utilize a traditional moisture-activated gummed closure.

Troubleshooting

Envelope jamming in mailing machine

Verify that the machine's feed tray is adjusted to the 114x235mm dimensions and ensure the paper stack is not over-compressed.

Gummed seal not sticking

Ensure that the moisture applied to the gum strip is sufficient and that pressure is applied across the entire length of the flap immediately after moistening.

Pros and Cons

Pros

  • Excellent runnability in high-speed mailing machines
  • High opacity prevents content visibility through the paper
  • Reliable gummed adhesive ensures a secure closure
  • Bright white finish provides a professional look
  • Standard DL dimensions suit common business letter formatting

Cons

  • Requires manual or mechanical moisture for the gummed seal
  • Not self-seal or peel-and-seal, which may be slower for manual packing
  • Limited to standard correspondence sizes

Setup, Compatibility & Care

To ensure optimal performance, keep these envelopes stored in a cool, dry place to prevent premature activation of the gummed adhesive. When loading into a mailing machine, ensure the tray settings are aligned for DL dimensions. If sealing manually, use a light amount of water on the gum strip and press firmly to create a complete bond. These envelopes are compatible with standard laser and inkjet printers if you prefer to print addresses directly on the front before insertion.

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