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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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Q-Connect DL Envelopes Wallet Self Seal 90gsm White (Pack of 1000) 7134
Q-Connect C4 Envelopes Self Seal 90gsm White (250 Pack) 2906
Q-Connect DL Envelopes Recycled Self Seal 100gsm White (Pack of 500) KF3504
Q-Connect Envelope 381x254mm Pocket Self Seal 90gsm Manilla (Pack of 250) X1087/01
Q-Connect DL Envelopes Wallet Self Seal 100gsm White (Pack of 1000) 7137
Q-Connect C5 Envelopes Pocket Self Seal 80gsm Manilla (500 Pack) KF3516
Q-Connect Envelope Gusset 324x229x25mm Peel and Seal 120gsm Manilla (Pack of 100) KF3527
Q-Connect Envelope Gusset 381x254x25mm Peel and Seal 120gsm Manilla (Pack of 100) KF3528
Q-Connect Padded Gusset Envelopes C5 229x162x50mm Peel and Seal White (100 Pack) KF3530
Q-Connect Padded Gusset Envelopes C4 324x229x50mm Peel and Seal White (100 Pack) KF3531
Q-Connect Padded Gusset Envelopes B4 353x250x50mm Peel and Seal White (100 Pack) KF3532
Q-Connect Padded Gusset Envelopes E4 400x280x50mm Peel and Seal White (100 Pack) KF3533
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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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