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Plain Envelopes

Our range of plain envelopes come in convenient multipacks, with a wide variety of colours and closures to choose from. Perfect for mailing documents or letters, our versatile envelopes are ideal for businesses and personal use. Don't forget to explore our address labels for a complete mailing solution. Upgrade your mailing room today with our range of envelopes and mailing bags.

137 products found
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5 Star C5 Envelope Pocket Peel and Seal 80gsm White (Pack of 25) FS600401 600401
5 Star C4 Pocket Envelope Peel and Seal 90gsm White (Pack of 10) FS600423 600423
5 Star C5 Pocket Envelope Self Seal 80gsm Plain Manilla (Pack of 500) 638531
5 Star C5 Pocket Envelope Self Seal 90gsm White (Pack of 500) 638574
5 Star C4 Envelope 25mm Gusset Peel and Seal 115gsm Manilla (Pack of 125) 906527
5 Star C5 Pocket Envelope Peel and Seal 100gsm 229x162mm White (Pack of 500) 906616
5 Star C4 Pocket Envelope Peel and Seal 100gsm 324x229mm White (Pack of 250) 906632
5 Star Recycled Pocket Envelopes Self Seal 90gsm 406x305mm Manilla (Pack of 250) 907239
5 Star DL Wallet Envelope Self Seal 80gsm 220x110mm White (Pack of 1000) B90024
5 Star C4 Pocket Envelope Self Seal 90gsm 324x229mm White (Pack of 250) F90014
5 Star Recycled C6 Wallet Envelope Self Seal Lightweight 114x162mm White (Pack of 1000) H90019
5 Star C4 Pocket Envelope Self Seal 115gsm 324x229mm Manilla (Pack of 250) J90013
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Total 137 products

FAQs:

  • What is a windowless plain envelope? A windowless plain envelope is a standard envelope without a transparent window. It provides a blank surface for addressing and sealing, suitable for mailing documents, letters or other flat items securely without revealing their contents through a window opening.
  • What envelope sizes fit through a letterbox? Standard envelope sizes that fit through letterboxes in Ireland typically include DL (110mm × 220mm) and C5 (162mm × 229mm). These sizes are commonly used for posting letters, invoices and documents and are designed to fit easily through standard letterbox slots.
  • How do you use self-sealed envelopes? To use self-sealed envelopes, simply insert your documents, letters or items into the envelope. Peel off the protective strip covering the adhesive on the flap, then press the flap firmly against the envelope to seal it securely without needing additional moisture or glue.
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