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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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Q-Connect Envelope Pocket Self Seal 115gsm 406x305mm Manilla (250 Pack) KF3450

Q Connect Envelope Pocket Self Seal 115gsm 406x305mm Manilla 250 Pack KF3450 156398 F
250
Pack
  • Size: 406 x 305mm
  • Paper Weight: 115gsm for reliable protection
  • Closure: Convenient self-seal for quick use
  • Pack: 250 manilla envelopes, 75% recycled
£30.34
£25.28 ex. VAT
£25.28
£30.34 inc. VAT
£30.34
£25.28 ex. VAT
£25.28
£30.34 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Q-Connect Envelope Pocket Self Seal 115gsm 381x254mm Manilla (250 Pack) KF3459

Q Connect Envelope Pocket Self Seal 115gsm 381x254mm Manilla 250 Pack KF3459 151596 F
250
Pack
  • Size: 381 x 254mm
  • Paper Weight: 115gsm for reliable protection
  • Convenient: Self-seal closure for quick use
  • Eco-Friendly: Made with 75% recycled content
£25.39
£21.16 ex. VAT
£21.16
£25.39 inc. VAT
£25.39
£21.16 ex. VAT
£21.16
£25.39 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Q-Connect Envelope Pocket Self Seal 100gsm 406x305mm Manilla (250 Pack) KF3536

Q Connect Envelope Pocket Self Seal 100gsm 406x305mm Manilla 250 Pack KF3536 195478 F
250
Pack
  • Size: 406x305mm - Ideal for A4 documents.
  • Self-Seal: Quick and easy closure – no licking needed!
  • Durable: Made from quality 100gsm paper for reliable protection.
  • Pack of 250: Perfect for businesses and home organisation.
£49.60
£41.33 ex. VAT
£41.33
£49.60 inc. VAT
£49.60
£41.33 ex. VAT
£41.33
£49.60 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

CTS Envelope Plain Non Window 80gsm DL Manilla (1000 Pack) DL801000MP

CTS Envelope Plain Non Window 80gsm DL Manilla 1000 Pack DL801000MP 809035 F
1000
Pack
  • Size: 110x220mm (DL) - Fits tri-folded A4 sheets.
  • Self-Seal: Convenient self-seal adhesive flap – no licking needed.
  • Quantity: Pack of 250 high-quality Manilla envelopes.
  • Paper Weight: Durable 80gsm paper for a professional finish.
£21.33
£17.77 ex. VAT
£17.77
£21.33 inc. VAT
£21.33
£17.77 ex. VAT
£17.77
£21.33 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Plus Fabric Envelope Wallet Self Seal 120gsm C6 White (500 Pack) F23470

Plus Fabric Envelope Wallet Self Seal 120gsm C6 White 500 Pack F23470 118888 F
500
Pack
  • Pack of 500: Contains 500 bright white C6 envelopes.
  • Secure & Confidential: Opaque blue interior for added privacy.
  • Durable Quality: Crafted from 120gsm paper for a premium feel.
  • Easy to Use: Features a convenient self-seal closure.
This item is out of stock

Plus Fabric Envelope Wallet Self Seal 120gsm C6 White (500 Pack) F23470

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Value Envelope Plain Non Window 80gsm C4 Manilla (250 Pack) C480250MP

Value Envelope Plain Non Window 80gsm C4 Manilla 250 Pack C480250MP 809031 F
250
Pack
  • Pack of 250: Contains a generous supply of high-quality C4 manilla envelopes.
  • Self-Seal Closure: Features a convenient adhesive flap for easy, no-lick sealing.
  • A4 Compatible: Comfortably fits unfolded A4 paper (324x229mm size).
  • Durable 80gsm Paper: Offers reliable protection during mailing and transit.
This item is out of stock

Value Envelope Plain Non Window 80gsm C4 Manilla (250 Pack) C480250MP

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5 Star Eco Envelopes Wallet Recycled Self Seal 90gsm DL White (500 Pack) 940398

5 Star Eco Envelopes Wallet Recycled Self Seal 90gsm DL White 500 Pack 940398 477450 F
500
Pack

  • 500 self-seal envelopes per pack – perfect for daily use.

  • Made from 100% recycled materials for environmental sustainability.

  • DL size (220x110mm) and 90gsm – suitable for letters and documents.

  • Features a wallet opening and convenient self-seal closure for easy use.

This item is out of stock

5 Star Eco Envelopes Wallet Recycled Self Seal 90gsm DL White (500 Pack) 940398

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5 Star Eco Envelopes Recycled Pocket Self Seal 90gsm C5 White (500 Pack) 937912

5 Star Eco Envelopes Recycled Pocket Self Seal 90gsm C5 White 500 Pack 937912 463262 F
500
Pack
  • Eco-Friendly: Made from 100% recycled materials.
  • Convenient: Features a self-seal closure – no licking needed!
  • Size: C5 (229 x 162mm)
  • Quantity: Pack of 500 envelopes
This item is out of stock

5 Star Eco Envelopes Recycled Pocket Self Seal 90gsm C5 White (500 Pack) 937912

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Q-Connect Envelopes Pocket Self Seal 90gsm C5 White (500 Pack) KF02719

Q Connect Envelopes Pocket Self Seal 90gsm C5 White 500 Pack KF02719 106702 F
500
Pack
  • Pack Size: 500 envelopes (20 packs of 25)
  • Paper Quality: Made from 90gsm white paper for a professional finish
  • Size Compatibility: Fits A4 sheets folded or A5 sheets unfolded
  • Convenient Closure: Features a secure and time-saving self-seal closure
This item is out of stock

Q-Connect Envelopes Pocket Self Seal 90gsm C5 White (500 Pack) KF02719

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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?