1. Home
  2. Office Supplies
  3. Packaging, Mailing & Warehouse
  4. Envelopes & Mailing Bags
  5. Plain Envelopes

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
Grid List

Filters(0)

Clear all

Filters(0)

Clear all
We found 17 products
1 - 17 of 17 products
|

Q-Connect Envelope Pocket Self Seal 90gsm C4 Manilla (250 Pack)

Q Connect Envelope Pocket Self Seal 90gsm C4 Manilla 250 Pack 126348 F
250
Pack
  • Size: C4 - Ideal for A4 documents.
  • Quantity: 250 envelopes per pack.
  • Material: Made from 85% recycled manilla.
  • Closure: Features a convenient self-seal flap.
£19.54
£16.28 ex. VAT
£16.28
£19.54 inc. VAT
£19.54
£16.28 ex. VAT
£16.28
£19.54 inc. VAT

Order now for dispatch today

Order now for dispatch today

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 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

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

Q Connect Envelope Pocket Self Seal 90gsm C5 Manilla 500 Pack 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
£21.58
£17.98 ex. VAT
£17.98
£21.58 inc. VAT
£21.58
£17.98 ex. VAT
£17.98
£21.58 inc. VAT

Order now for dispatch today

Order now for dispatch today

5 Star Value Envelope Pocket Self Seal 90gsm C4 Manilla (250 Pack)

5 Star Value Envelope Pocket Self Seal 90gsm C4 Manilla 250 Pack 889367 F
250
Pack
  • Pack Size: 250 manilla envelopes
  • Closure Type: Self-seal for convenience
  • Envelope Size: C4
  • Opening: Pocket access on the shorter side
£20.62
£17.18 ex. VAT
£17.18
£20.62 inc. VAT
£20.62
£17.18 ex. VAT
£17.18
£20.62 inc. VAT

Order now for dispatch today

Order now for dispatch today

5 Star Office Envelope Pocket Peel & Seal 90gsm C4 White (10 Pack)

5 Star Office Envelope Pocket Peel Seal 90gsm C4 White 10 Pack 912084 F
10
Pack
  • Pack of 10 high-quality C4 envelopes
  • Suitable for A4 documents
  • 324 x 229mm dimensions
  • Peel and seal closure for secure mailing
£2.98
£2.48 ex. VAT
£2.48
£2.98 inc. VAT
(1)
£2.98
£2.48 ex. VAT
£2.48
£2.98 inc. VAT
(1)

Order now for dispatch today

Order now for dispatch today

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

5 Star Office Envelope Pocket Self Seal 90gsm C5 Manilla 500 Pack 133559 F
500
Pack
  • Pack Size: 500 manilla envelopes
  • Size & Type: C5 (229x162mm) with pocket opening
  • Convenient Closure: Features a reliable self-seal closure
£18.66
£15.55 ex. VAT
£15.55
£18.66 inc. VAT
£18.66
£15.55 ex. VAT
£15.55
£18.66 inc. VAT

Order now for dispatch today

Order now for dispatch today

Q-Connect Machine Envelope Gummed 90gsm 162mm x 238mm White (500 Pack)

Q Connect Machine Envelope Gummed 90gsm 162mm x 238mm White 500 Pack 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
£21.34
£17.78 ex. VAT
£17.78
£21.34 inc. VAT
£21.34
£17.78 ex. VAT
£17.78
£21.34 inc. VAT

Order now for dispatch today

Order now for dispatch today

County Stationery Peel & Seal Envelope 90gsm C4 White (500 Pack)

County Stationery Peel Seal Envelope 90gsm C4 White 500 Pack 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
£56.72
£47.27 ex. VAT
£47.27
£56.72 inc. VAT
£56.72
£47.27 ex. VAT
£47.27
£56.72 inc. VAT

Order now for dispatch today

Order now for dispatch today

5 Star Office Envelope Recycled Pocket Self Seal 90gsm 381mm x 254mm Manilla (250 Pack)

5 Star Office Envelope Recycled Pocket Self Seal 90gsm 381mm x 254mm Manilla 250 Pack 103014 F
250
Pack
  • Pack of 250: Contains 250 high-quality manilla envelopes
  • Self-Seal Closure: Features a reliable self-seal for convenience
  • Size: 381 x 254mm, ideal for standard documents
  • Sustainable Choice: Made with 100% recycled materials
£28.68
£23.90 ex. VAT
£23.90
£28.68 inc. VAT
£28.68
£23.90 ex. VAT
£23.90
£28.68 inc. VAT

Order now for dispatch today

Order now for dispatch today

5 Star Office Envelope Pocket Self Seal 90gsm C4 Manilla (250 Pack)

5 Star Office Envelope Pocket Self Seal 90gsm C4 Manilla 250 Pack 105620 F
250
Pack
  • Pack Size: 250 C4 (324x229mm) manilla envelopes
  • Convenient Closure: Features a reliable self-seal for quick fastening
  • Paper Quality: Made from 90gsm paper with 100% recycled materials
  • Easy Access: Pocket opening along the shorter side for simple content retrieval
£28.60
£23.83 ex. VAT
£23.83
£28.60 inc. VAT
£28.60
£23.83 ex. VAT
£23.83
£28.60 inc. VAT

Order now for dispatch today

Order now for dispatch today

Q-Connect Envelope Pocket Self Seal 90gsm B4 Manilla (250 Pack)

Q Connect Envelope Pocket Self Seal 90gsm B4 Manilla 250 Pack 130378 F
250
Pack
  • Size: 353 x 250mm (B4)
  • Quantity: Pack of 250 envelopes
  • Paper Weight: 90gsm
  • Closure: Self-seal adhesive flap
£28.47
£23.73 ex. VAT
£23.73
£28.47 inc. VAT
£28.47
£23.73 ex. VAT
£23.73
£28.47 inc. VAT

Order now for dispatch today

Order now for dispatch today

Blake Evolve Envelope Recycled Wallet Self Seal 90gsm DL White (1000 Pack)

Blake Evolve Envelope Recycled Wallet Self Seal 90gsm DL White 1000 Pack 110265 F
1000
Pack
  • Size: DL – fits A4/A5 inserts
  • Convenient: Self-seal closure for quick and secure mailing
  • Quantity: Pack of 1000 white envelopes
£49.17
£40.98 ex. VAT
£40.98
£49.17 inc. VAT
£49.17
£40.98 ex. VAT
£40.98
£49.17 inc. VAT

Order now for dispatch today

Order now for dispatch today

Basildon Bond Envelope 90gsm 95mm x 143mm Champagne (200 Pack)

Basildon Bond Envelope 90gsm 95mm x 143mm Champagne 200 Pack 231642 F
200
Pack

  • Pack of 200 Champagne Envelopes

  • 95 x 143mm Size and 90gsm Paper

  • Peel and Seal Closure for Security

  • Perfect for Formal and Everyday Mail

£32.04
£26.70 ex. VAT
£26.70
£32.04 inc. VAT
£32.04
£26.70 ex. VAT
£26.70
£32.04 inc. VAT

Order now for dispatch today

Order now for dispatch today

5 Star Office Envelope Recycled Pocket Self Seal 90gsm 406mm x 305mm Manilla (250 Pack)

5 Star Office Envelope Recycled Pocket Self Seal 90gsm 406mm x 305mm Manilla 250 Pack 112936 F
250
Pack
  • Pack of 250: Contains a generous 250 high-quality manilla envelopes
  • Self-Seal Closure: Features a reliable self-seal for quick and easy use
  • Recycled Material: Made with 100% recycled materials for a sustainable choice
  • Size: Measures 406 x 305mm, suitable for standard documents
£46.56
£38.80 ex. VAT
£38.80
£46.56 inc. VAT
£46.56
£38.80 ex. VAT
£38.80
£46.56 inc. VAT

Order now for dispatch today

Order now for dispatch today

Q-Connect Envelope Pocket Self Seal 90gsm 381mm x 254mm Manilla (250 Pack)

Q Connect Envelope Pocket Self Seal 90gsm 381mm x 254mm Manilla 250 Pack 109849 F
250
Pack
  • Size: 381 x 254mm
  • Paper Weight: 90gsm for reliable performance
  • Closure: Convenient self-seal for secure mailing
This item is out of stock

Q-Connect Envelope Pocket Self Seal 90gsm 381mm x 254mm Manilla (250 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.

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

5 Star Eco Envelope Recycled Pocket Self Seal 90gsm C5 White 500 Pack 463262 F
500
Pack
  • 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 Envelope Recycled Pocket Self Seal 90gsm C5 White (500 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?