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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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We found 11 products
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Q-Connect Envelopes Pocket Self Seal 90gsm C5 White (500 Pack) KF3469

Q Connect Envelopes Pocket Self Seal 90gsm C5 White 500 Pack KF3469 106530 F
500
Pack
  • Pack Size: 500 envelopes
  • Paper Weight: 90gsm white paper
  • Size: C5, fits A4 folded or A5 unfolded
  • Closure Type: Self-Seal for secure mailing
£20.65
£17.21 ex. VAT
£17.21
£20.65 inc. VAT
£20.65
£17.21 ex. VAT
£17.21
£20.65 inc. VAT

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Order now for dispatch today

Value Envelope Self Seal 90gsm C5 White (500 Pack) WX3469

Value Envelope Self Seal 90gsm C5 White 500 Pack WX3469 369641 F
500
Pack
  • Size: C5 envelopes – ideal for standard correspondence.
  • Paper Quality: Made from 90gsm paper for a crisp, clean finish.
  • Convenient Closure: Features a reliable self-seal for secure mailing.
  • Pack Size: Includes 500 envelopes for exceptional value.
£22.42
£18.68 ex. VAT
£18.68
£22.42 inc. VAT
£22.42
£18.68 ex. VAT
£18.68
£22.42 inc. VAT

Order now for dispatch today

Order now for dispatch today

5 Star Value Envelope Pocket Self Seal 90gsm C5 White (500 Pack) 638574

5 Star Value Envelope Pocket Self Seal 90gsm C5 White 500 Pack 638574 889015 F
500
Pack
  • Pack Size: 500 envelopes
  • Envelope Size: C5
  • Closure Type: Self Seal
  • Opening: Pocket (opens on short side)
£14.69
£12.24 ex. VAT
£12.24
£14.69 inc. VAT
£14.69
£12.24 ex. VAT
£12.24
£14.69 inc. VAT

Order now for dispatch today

Order now for dispatch today

5 Star Office Envelopes Pocket Self Seal 90gsm C5 Manilla (500 Pack) J90021

5 Star Office Envelopes Pocket Self Seal 90gsm C5 Manilla 500 Pack J90021 133559 F
500
Pack
  • Pack Size: 500 manilla envelopes
  • Size & Type: C5 (229x162mm) with pocket opening
  • Convenient Closure: Features a reliable self-seal closure
  • Eco-Friendly: Made from 100% recycled materials
£13.21
£11.01 ex. VAT
£11.01
£13.21 inc. VAT
£13.21
£11.01 ex. VAT
£11.01
£13.21 inc. VAT

Order now for dispatch today

Order now for dispatch today

Q-Connect Machine Envelope Gummed 90gsm 162x238mm White (500 Pack) KF02897

Q Connect Machine Envelope Gummed 90gsm 162x238mm White 500 Pack KF02897 141752 F
500
Pack
  • Suitable for use in mailing machines
  • Contains 500 white, gummed envelopes
  • Oversized C5 size: 162 x 238mm
  • Strong 90gsm paper for reliable use
£25.56
£21.30 ex. VAT
£21.30
£25.56 inc. VAT
£25.56
£21.30 ex. VAT
£21.30
£25.56 inc. VAT

Order now for dispatch today

Order now for dispatch today

Q-Connect Envelopes Pocket Self Seal 90gsm C5 Manilla (500 Pack) KF3441

Q Connect Envelopes Pocket Self Seal 90gsm C5 Manilla 500 Pack KF3441 109720 F
500
Pack
  • Pack Size: 500 manilla envelopes
  • Size: C5, fits A4 folded in thirds or A5 unfolded
  • Paper Weight: 90gsm for reliable use
  • Closure Type: Convenient self-seal closure
£21.55
£17.96 ex. VAT
£17.96
£21.55 inc. VAT
£21.55
£17.96 ex. VAT
£17.96
£21.55 inc. VAT

Order now for dispatch today

Order now for dispatch today

5 Star Office Envelopes Pocket Self Seal 90gsm C5 White (500 Pack) B90016

5 Star Office Envelopes Pocket Self Seal 90gsm C5 White 500 Pack B90016 102743 F
500
Pack
  • Size: C5 (229x162mm) - Ideal for standard office correspondence.
  • Quantity: 500 envelopes per pack - Provides a long-lasting supply.
  • Self-Seal Closure: No need for moistening or tape for quick and easy sealing.
  • Pocket Opening: Effortless document insertion and removal from the shorter side.
£26.97
£22.47 ex. VAT
£22.47
£26.97 inc. VAT
£26.97
£22.47 ex. VAT
£22.47
£26.97 inc. VAT

Order now for dispatch today

Order now for dispatch today

County Stationery Peel and Seal Envelopes 90gsm C4 White (500 Pack) C509

County Stationery Peel and Seal Envelopes 90gsm C4 White 500 Pack C509 523194 F
500
Pack
  • Pack Size: 500 envelopes (20 sets of 25)
  • Ideal For: Business mail, invoices & important documents
  • Closure Type: Self-seal adhesive for a secure finish
  • Paper Weight: Durable 90gsm paper
£64.03
£53.36 ex. VAT
£53.36
£64.03 inc. VAT
£64.03
£53.36 ex. VAT
£53.36
£64.03 inc. VAT

Order now for dispatch today

Order now for dispatch today

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
£27.23
£22.69 ex. VAT
£22.69
£27.23 inc. VAT
£27.23
£22.69 ex. VAT
£22.69
£27.23 inc. VAT

Order now for dispatch today

Order now for dispatch today

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
£45.21
£37.67 ex. VAT
£37.67
£45.21 inc. VAT
£45.21
£37.67 ex. VAT
£37.67
£45.21 inc. VAT

Order now for dispatch today

Order now for dispatch today

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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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?