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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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Blake PurelyEveryday Self Seal Envelope 90gsm C4 White (50 Pack)

Blake PurelyEveryday Self Seal Envelope 90gsm C4 White 50 Pack 600528 F
50
Pack

  • Pack Size: Contains 50 high-quality, self-seal envelopes.

  • Convenience: Self-seal design eliminates licking or moistening.

  • Size & Use: C4 size, ideal for documents and letters.

  • Durability: Made with 90gsm paper for a premium feel and reliability.

£7.66
£6.38 ex. VAT
£6.38
£7.66 inc. VAT
£7.66
£6.38 ex. VAT
£6.38
£7.66 inc. VAT

Order now for dispatch today

Order now for dispatch today

Blake PurelyEveryday Self Seal Envelope 80gsm DL White (50 Pack)

Blake PurelyEveryday Self Seal Envelope 80gsm DL White 50 Pack 434301 F
50
Pack
  • Pack Size: 50 envelopes
  • Size & Weight: DL, 80gsm paper
  • Convenient: Self-seal closure - no moisture needed
  • Colour: Classic white for a professional finish
£3.58
£2.98 ex. VAT
£2.98
£3.58 inc. VAT
£3.58
£2.98 ex. VAT
£2.98
£3.58 inc. VAT

Order now for dispatch today

Order now for dispatch today

Blake PurelyEveryday Envelope Self Seal 90gsm C6 White (50 Pack)

Blake PurelyEveryday Envelope Self Seal 90gsm C6 White 50 Pack 434537 F
50
Pack
  • Pack Size: 50 Envelopes
  • Envelope Size: C6
  • Paper Weight: 90gsm for a professional feel
  • Convenient Closure: Self-seal – no moistening needed
£3.58
£2.98 ex. VAT
£2.98
£3.58 inc. VAT
£3.58
£2.98 ex. VAT
£2.98
£3.58 inc. VAT

Order now for dispatch today

Order now for dispatch today

Blake PurelyEveryday Peel & Seal Envelope 100gsm DL White (50 Pack)

Blake PurelyEveryday Peel Seal Envelope 100gsm DL White 50 Pack 434293 F
50
Pack
  • Pack Size: 50 Envelopes
  • Closure Type: Peel & Seal
  • Paper Weight: 100gsm for durability
  • Envelope Size: Dl
£5.14
£4.28 ex. VAT
£4.28
£5.14 inc. VAT
(2)
£5.14
£4.28 ex. VAT
£4.28
£5.14 inc. VAT
(2)

Order now for dispatch today

Order now for dispatch today

Basildon Bond Self Seal Envelope 120gsm C5 White (50 Pack)

Basildon Bond Self Seal Envelope 120gsm C5 White 50 Pack 113599 F
50
Pack
  • 50 Pack
  • Recycled paper
  • Weight: 120gsm
  • Peel and stick closure
£12.85
£10.71 ex. VAT
£10.71
£12.85 inc. VAT
£12.85
£10.71 ex. VAT
£10.71
£12.85 inc. VAT

Order now for dispatch today

Order now for dispatch today

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

Basildon Bond Pocket Envelope 120gsm C4 White 50 Pack 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
£22.33
£18.61 ex. VAT
£18.61
£22.33 inc. VAT
£22.33
£18.61 ex. VAT
£18.61
£22.33 inc. VAT

Order now for dispatch today

Order now for dispatch today

Value Kraft Mailing Bag 100mm Gusset 100gsm 415x495mm Manilla (50 Pack)

Value Kraft Mailing Bag 100mm Gusset 100gsm 415x495mm Manilla 50 Pack 786651 F
50
Pack
  • Expanding Gusset: Accommodates varying contents with extra space.
  • Reusable Design: Twin peel & seal strips enable easy re-sealing & returns.
  • UK Manufactured: Robust and lightweight alternative to cardboard boxes.
£35.37
£29.48 ex. VAT
£29.48
£35.37 inc. VAT
£35.37
£29.48 ex. VAT
£29.48
£35.37 inc. VAT

Order now for dispatch today

Order now for dispatch today

Value Kraft Mailing Bag 100mm Gusset 100gsm 580x465mm Manilla (50 Pack)

Value Kraft Mailing Bag 100mm Gusset 100gsm 580x465mm Manilla 50 Pack 786652 F
50
Pack
  • Dimensions: 580x465x100mm with a 100mm lip.
  • UK Made: Manufactured in the UK.
  • Convenient: Features twin peel and seal strips for easy returns.
This item is out of stock

Value Kraft Mailing Bag 100mm Gusset 100gsm 580x465mm Manilla (50 Pack)

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5 Star Office Envelope Wallet Self Seal 80gsm DL White (50 Pack)

5 Star Office Envelope Wallet Self Seal 80gsm DL White 50 Pack 409091 F
50
Pack
  • Pack Size: 50 high-quality self-seal envelopes
  • Size: DL (220x110mm)
  • Opening Style: Wallet opening for easy access
  • Paper Weight: 80gsm
This item is out of stock

5 Star Office Envelope Wallet Self Seal 80gsm DL White (50 Pack)

Please enter your email address below and we will contact you as soon as this item becomes available. Your email will not be used for anything else.

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?