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Plain Envelopes

Plain envelopes can be bought from us in a variety of colours such as white and manilla, as well as multiple sizes like C4, C5 and DL.

Plain Envelopes
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Basildon Bond Pocket Envelope 120gsm C4 White (50 Pack) L80281

Basildon Bond Pocket Envelope 120gsm C4 White 50 Pack L80281 144082 F
50
Pack
  • Pack of 50 plain white C4 envelopes
  • 120gsm Recycled Paper - environmentally conscious choice
  • A4 Document Size - suitable for unfolded A4
  • Peel & Seal Closure & Opaque Green Interior for secure, confidential mailing
This item is out of stock

Basildon Bond Pocket Envelope 120gsm C4 White (50 Pack) L80281

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Q-Connect Padded 50mm Gusset Envelopes Peel and Seal 140gsm C4 White (100 Pack) KF3531

Q Connect Padded 50mm Gusset Envelopes Peel and Seal 140gsm C4 White 100 Pack KF3531 181328 F
100
Pack
  • Durable Protection: Robust 3-layer construction resists damage during mailing.
  • Eco-Friendly Choice: Made from 100% recycled materials & fully recyclable.
  • C4 Size & 100-Pack: Includes 100 white C4 (324 x 229 x 50mm) envelopes.
  • Expanding Gusset & Easy Closure: Features a 50mm gusset for bulkier items and a convenient peel and seal closure.
This item is out of stock

Q-Connect Padded 50mm Gusset Envelopes Peel and Seal 140gsm C4 White (100 Pack) KF3531

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Q-Connect Padded Gusset Envelopes Peel and Seal 140gsm B4 White (100 Pack) KF3532

Q Connect Padded Gusset Envelopes Peel and Seal 140gsm B4 White 100 Pack KF3532 108452 F
100
Pack

  • 100-pack of B4 envelopes: Dimensions 353 x 250 x 50mm, ideal for various goods.

  • Robust 3-layer construction: 140gsm/120gsm/90gsm layers for reliable protection during shipping.

  • Eco-friendly & Recyclable: Made from 100% recycled materials and fully recyclable.

  • Easy & Secure Closure: Features a convenient peel and seal closure with a 50mm expanding gusset.

This item is out of stock

Q-Connect Padded Gusset Envelopes Peel and Seal 140gsm B4 White (100 Pack) KF3532

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County Stationery Peel and Seal Envelopes 80gsm DL Manilla (1000 Pack) C520

County Stationery Peel and Seal Envelopes 80gsm DL Manilla 1000 Pack C520 523204 F
1000
Pack
  • Size: DL (110mm x 220mm) - Fits standard A4 paper.
  • Quantity: 1000 envelopes (20 packs of 50).
  • Convenient Closure: Peel and seal for quick, reliable sealing.
  • Durable Quality: Crafted from 80gsm paper for a quality feel.
This item is out of stock

County Stationery Peel and Seal Envelopes 80gsm DL Manilla (1000 Pack) C520

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5 Star Office Envelopes Pocket Self Seal 90gsm C5 White (25 Pack) 934754

5 Star Office Envelopes Pocket Self Seal 90gsm C5 White 25 Pack 934754 409082 F
25
Pack
  • Pack Size: 25 C5 envelopes
  • Self-Seal Closure: No licking needed for easy sealing
  • Dimensions: 229x162mm (C5 size)
  • Paper Weight: 90gsm for quality and durability
This item is out of stock

5 Star Office Envelopes Pocket Self Seal 90gsm C5 White (25 Pack) 934754

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Plain Envelopes

Find plain envelopes for your mailing and office requirements. Our extensive range includes a variety of sizes, including DL, C4, C5 and B4. Peel and seal and self seal options are also available.

We stock bulk packs to suit businesses and home offices, as well as a wide range of quantities. Choose from different paper weights and colours like white and manilla.

We have the right envelope for your letters, documents and invoices. Envelopes with recycled paper are also available here.

Find more types of envelopes in our full range.

Frequently Asked Questions

Q. Will C5 envelopes fit A4 paper?

Q. What is a windowless envelope?