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Self-seal Manilla envelopes

  • Self-seal Manilla envelopes
  • Self-seal Manilla envelopes
  • Self-seal Manilla envelopes
  • Self-seal Manilla envelopes
From £11.50 ex. VAT
See prices
Next day delivery
  • For mailing confidential business information
  • Minimal risk of print show-through
  • A range of sizes, all with self-sealing flaps
  • Made from 80 – 115gsm Manilla paper
  • Sold in packs of 250 or 500 envelopes
Price per quantity break
This product is available in 7  references


Price ex. VAT per pack Up to
20% Off
1 +5 +10 +
1D06 229162self seal90500C517.6015.8014.07
1D07 229162self seal115500C523.9021.5019.10
1D14 254178self seal115250B517.6015.8014.07
1D25 324229self seal90250C417.7015.9014.15
1D26 324229self seal115250C419.4917.5015.59
1A95 110220self seal80500DL14.4012.9511.50
1A98 110220self seal80500DL15.1513.6012.10

Detailed description

Safely send confidential documents

Our self-seal Manilla envelopes are the secure choice for mailing confidential business information. Made from light brown paper, there’s minimal risk of print show-through and as Manilla paper is naturally stronger than standard paper, these envelopes are less likely to tear in the post or disintegrate in the rain.

Available in a range of sizes, all with self-sealing flaps, you can speed up the process of sending letters, invoices or statements. Our Manilla envelopes are windowless to ensure information inside remains secure. We also offer the DL envelope with a window to save on labelling costs.

Call our packaging specialists on 0800 542 44 28 to order yours and get next day delivery.

Sold in packs of 250 or 500 envelopes.

Quantity Available in packs of 250 or 500 envelopes. Stock up and save with our large order discounts on 5 or more boxes.

Size and shape options These self-sealing envelopes are available in a range of 7 sizes and formats to suit your paperwork.
- Choose C4 to hold unfolded A4 paper
- Choose either B5 or C5 to hold A5 paper or A4 sheets folded in half
- Choose DL to hold A4 paper which is folded into 3 equal sections (like a traditional letter)
Please note the DL envelope with ref. 1A98 has a window measuring 39 x 93mm. Our DL envelopes have the opening flap on the long edge.The C4 and C5 envelopes have the opening flap on the short edge.

Materials Made from naturally strong 80 – 115gsm Manilla paper to protect your sensitive documents in the post. All sizes have self-sealing flaps to improve efficiency.

Environmental information All Rajapack envelopes are made from 100% recycled paper and have a minimum of 90% post-consumerwaste to support your green credentials.

Delivery information Delivered in boxes of 250 or 500 envelopes for easy use.  

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