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 49 products
1 - 36 of 49 products
|
Q Connect Envelopes Self Seal 90gsm C4 White 250 Pack KF3499 104714 F
250
Pack
  • Size: C4
  • Paper Weight: 90gsm white paper
  • Pack Quantity: 250 envelopes
  • Closure: Convenient self-seal flap
£18.79
£15.66 ex. VAT
£15.66
£18.79 inc. VAT
£18.79
£15.66 ex. VAT
£15.66
£18.79 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Q Connect Envelope Wallet Self Seal 80gsm DL White 250 Pack KF07556 610338 F
250
Pack
  • Size: DL - Fits standard A4/A5 folded documents.
  • 250 Pack: Large quantity for frequent use.
  • 80gsm White Paper: Professional quality and finish.
  • Self-Seal Closure: Secure, tamper-evident & saves time.
£8.98
£7.48 ex. VAT
£7.48
£8.98 inc. VAT
£8.98
£7.48 ex. VAT
£7.48
£8.98 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Value Envelopes Self Seal 90gsm C4 White 250 Pack WX3499 199658 F
250
Pack
  • Pack Size: 250 white C4 envelopes
  • Self-Seal Closure: No licking needed for secure mailing
  • Paper Weight: Made from durable 90gsm paper
  • Ideal For: Professional business correspondence & invoices
£21.09
£17.57 ex. VAT
£17.57
£21.09 inc. VAT
£21.09
£17.57 ex. VAT
£17.57
£21.09 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Q Connect Envelopes Pocket Self Seal 115gsm C5 Manilla 250 Pack KF3442 106513 F
250
Pack
  • Pack Size: 250 manilla envelopes
  • Paper Weight: Durable 115gsm paper
  • Size: C5, fits A4 folded or A5 unfolded
  • Closure: Convenient self-seal for secure mailing
£13.44
£11.20 ex. VAT
£11.20
£13.44 inc. VAT
£13.44
£11.20 ex. VAT
£11.20
£13.44 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

5 Star Office Envelopes Pocket Peel and Seal 100gsm C4 White 250 Pack 906632 118079 F
250
Pack
  • Size: C4 (324x229mm) - Ideal for standard documents.
  • Peel and Seal Closure - Quick, convenient and hygienic.
  • Pocket Opening - Easy document insertion/removal.
  • Pack of 250 Envelopes - Reliable 100gsm paper.
£25.44
£21.20 ex. VAT
£21.20
£25.44 inc. VAT
£25.44
£21.20 ex. VAT
£21.20
£25.44 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Q Connect Envelopes Pocket Self Seal 80gsm C4 Manilla 250 Pack KF3470 139796 F
250
Pack
  • Contains 250 manilla envelopes
  • Ideal for A4 documents
  • Features an easy-seal, secure flap
  • Made with 85% recycled content
£17.41
£14.51 ex. VAT
£14.51
£17.41 inc. VAT
£17.41
£14.51 ex. VAT
£14.51
£17.41 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Q Connect Envelopes Pocket Self Seal 90gsm C4 Manilla 250 Pack KF3419 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.
£18.43
£15.36 ex. VAT
£15.36
£18.43 inc. VAT
£18.43
£15.36 ex. VAT
£15.36
£18.43 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

5 Star Office Envelopes Pocket Self Seal 115gsm C4 Manilla 250 Pack J90013 130612 F
250
Pack
  • Pack Size: 250 C4 (324x229mm) envelopes
  • Convenient Closure: Features a reliable self-seal for easy use.
  • Paper Weight: Made from durable 115gsm paper.
  • Eco-Friendly: Crafted with 100% recycled content.
£17.59
£14.66 ex. VAT
£14.66
£17.59 inc. VAT
£17.59
£14.66 ex. VAT
£14.66
£17.59 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Value Envelope Manilla Self Seal 80gsm C4 Manilla 250 Pack WX3470 102795 F
250
Pack
  • C4 Size: Suitable for standard business correspondence and unfolded A4 documents.
  • Self-Seal: Features a convenient self-adhesive flap for quick, easy closure – no moisture needed.
  • Durable Quality: Crafted from high-quality 80gsm paper for a professional finish.
  • Large Pack: Contains 250 envelopes – ideal for both home and business use.
£18.54
£15.45 ex. VAT
£15.45
£18.54 inc. VAT
£18.54
£15.45 ex. VAT
£15.45
£18.54 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Q Connect Envelopes Self Seal 100gsm C4 White 250 Pack KF3458 105110 F
250
Pack
  • Size: C4 - Perfect for A4 documents
  • Paper Weight: 100gsm - Quality white paper construction
  • Pack Quantity: 250 envelopes per pack
  • Convenient Closure: Features a self-seal flap for easy and secure mailing
£17.26
£14.38 ex. VAT
£14.38
£17.26 inc. VAT
£17.26
£14.38 ex. VAT
£14.38
£17.26 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

5 Star Value Envelope Pocket Self Seal 90gsm C4 Manilla 250 Pack 638523 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
£16.77
£13.97 ex. VAT
£13.97
£16.77 inc. VAT
£16.77
£13.97 ex. VAT
£13.97
£16.77 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Value Envelope Manilla Self Seal 115gsm C4 Manilla 250 Pack WX3461 224100 F
250
Pack
  • Pack of 250 C4 Manilla Self Seal Envelopes

  • Fits unfolded A4 documents

  • Made from 115gsm heavyweight paper for a professional finish

  • Quick & easy self-adhesive flap for secure sealing

£22.43
£18.69 ex. VAT
£18.69
£22.43 inc. VAT
£22.43
£18.69 ex. VAT
£18.69
£22.43 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Q Connect Envelopes Pocket Gummed 80gsm C4 Manilla 250 Pack KF3428 112123 F
250
Pack
  • Suitable for A4 documents
  • Pack of 250 manilla envelopes
  • Reliable gummed flap for secure closure
  • C4 size - ideal for standard posting
£17.62
£14.68 ex. VAT
£14.68
£17.62 inc. VAT
£17.62
£14.68 ex. VAT
£14.68
£17.62 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Q Connect Envelopes Self Seal 90gsm C4 White 250 Pack KF02721 105706 F
250
Pack
  • Suitable for A4 documents
  • Pack of 250 self-seal envelopes
  • Made from quality 90gsm white paper
  • Easy-seal closure for quick dispatch
£32.46
£27.05 ex. VAT
£27.05
£32.46 inc. VAT
£32.46
£27.05 ex. VAT
£27.05
£32.46 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Plus Fabric Envelopes Wallet Self Seal 120gsm DL White 250 Pack M23270 121652 F
250
Pack
  • Secure & Professional: Ideal for confidential correspondence.
  • Durable 120gsm Paper: Offers reliable protection for documents.
  • Convenient Self-Seal Closure: No moisture adhesive needed.
  • Fits A5/A4 Sheets: Accommodates folded documents easily.
£36.04
£30.03 ex. VAT
£30.03
£36.04 inc. VAT
£36.04
£30.03 ex. VAT
£30.03
£36.04 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

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.
£14.62
£12.18 ex. VAT
£12.18
£14.62 inc. VAT
£14.62
£12.18 ex. VAT
£12.18
£14.62 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Q Connect Envelopes Pocket Plain Peel and Seal 100gsm C4 White 250 Pack KF03291 280222 F
250
Pack
  • Size: C4 (324 x 229mm) - Designed for A4 paper.
  • Quantity: Pack of 250 white envelopes.
  • Closure: Features a convenient peel and seal for a secure closure.
  • Paper Weight: Made with 100gsm paper for quality and durability.
£23.74
£19.78 ex. VAT
£19.78
£23.74 inc. VAT
£23.74
£19.78 ex. VAT
£19.78
£23.74 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

5 Star Value Envelope Pocket Self Seal 90gsm C4 White 250 Pack 638558 889016 F
250
Pack
  • Pack Size: 250 high-quality envelopes
  • Size: C4 - Ideal for A4 documents folded in three
  • Closure: Reliable self-seal for easy mailing
  • Paper Weight: 90gsm - Durable and professional feel
£20.49
£17.07 ex. VAT
£17.07
£20.49 inc. VAT
£20.49
£17.07 ex. VAT
£17.07
£20.49 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

5 Star Value Envelope Pocket Self Seal 100gsm C4 White 250 Pack 553266 889029 F
250
Pack
  • Pack Size: 250 high-quality envelopes
  • Size: C4 - Ideal for A4 documents folded in three
  • Closure: Reliable self-seal for quick fastening
  • Paper Weight: 100gsm for a professional feel
£18.82
£15.68 ex. VAT
£15.68
£18.82 inc. VAT
£18.82
£15.68 ex. VAT
£15.68
£18.82 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Q Connect Envelopes Pocket Self Seal 115gsm C4 Manilla 250 Pack KF3461 160611 F
250
Pack
  • Suitable for A4 documents
  • Pack of 250 manilla envelopes
  • Made with 85% recycled manilla
  • Heavyweight 115gsm paper with self-seal closure
£21.54
£17.95 ex. VAT
£17.95
£21.54 inc. VAT
£21.54
£17.95 ex. VAT
£17.95
£21.54 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

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
£22.18
£18.48 ex. VAT
£18.48
£22.18 inc. VAT
£22.18
£18.48 ex. VAT
£18.48
£22.18 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

New Guardian Envelope Peel Seal 130gsm C4 Manilla 250 Pack J26339 111291 F
250
Pack
  • Pack of 250: Contains 250 durable manilla envelopes
  • C4 Size: Designed for unfolded A4 sheets
  • 130gsm Paper: Offers exceptional strength and quality
  • Peel and Seal with Tear Strip: Ensures secure dispatch and easy opening
£68.28
£56.90 ex. VAT
£56.90
£68.28 inc. VAT
£68.28
£56.90 ex. VAT
£56.90
£68.28 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

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
£31.60
£26.33 ex. VAT
£26.33
£31.60 inc. VAT
£31.60
£26.33 ex. VAT
£26.33
£31.60 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Q Connect Envelope Pocket Self Seal 90gsm 381x254mm Manilla 250 Pack KF3511 109849 F
250
Pack
  • Size: 381 x 254mm
  • Paper Weight: 90gsm for reliable performance
  • Closure: Convenient self-seal for secure mailing
  • Eco-Friendly: Made with 75% recycled content
£21.53
£17.94 ex. VAT
£17.94
£21.53 inc. VAT
£21.53
£17.94 ex. VAT
£17.94
£21.53 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Q Connect Envelope Pocket Self Seal 90gsm 254x178mm Manilla 250 Pack KF3445 104595 F
250
Pack
  • Size: 254 x 178mm
  • Pack of 250 manilla envelopes
  • Self-seal closure for easy use
  • Made with 75% recycled content
£19.84
£16.53 ex. VAT
£16.53
£19.84 inc. VAT
£19.84
£16.53 ex. VAT
£16.53
£19.84 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Value Evolve Envelopes Recycled Pocket Self Seal 100gsm C4 White 250 Pack RD7891 181440 F
250
Pack
  • Eco-Friendly: Made from 100% recycled 100gsm paper.
  • Size & Format: C4 size, designed for A4 documents.
  • Convenient Closure: Features a quick and easy self-seal closure.
  • Pack Quantity: Includes 250 white envelopes per pack.
£36.52
£30.43 ex. VAT
£30.43
£36.52 inc. VAT
£36.52
£30.43 ex. VAT
£30.43
£36.52 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Plus Fabric Envelope Pocket Peel and Seal 120gsm C4 White 250 Pack K26739 122101 F
250
Pack
  • Size: C4 – fits A4 sheets
  • Material: Robust 120gsm paper for durability
  • Security: Opaque blue interior & secure peel and seal closure
  • Quantity: Pack of 250 envelopes
£104.29
£86.91 ex. VAT
£86.91
£104.29 inc. VAT
£104.29
£86.91 ex. VAT
£86.91
£104.29 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Q Connect Envelope Pocket Self Seal 90gsm B4 Manilla 250 Pack KF02893 130378 F
250
Pack
  • Size: 353 x 250mm (B4)
  • Quantity: Pack of 250 envelopes
  • Paper Weight: 90gsm
  • Closure: Self-seal adhesive flap
£34.54
£28.78 ex. VAT
£28.78
£34.54 inc. VAT
£34.54
£28.78 ex. VAT
£28.78
£34.54 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

5 Star Office Envelopes Recycled Pocket Peel and Seal 115gsm 381x254mm Manilla 250 Pack D90015 115858 F
250
Pack
  • Pack Size: 250 manilla envelopes
  • Convenient Closure: Peel and seal for easy use
  • Pocket Opening: Access contents from the shorter side
  • Eco-Friendly: Made with 100% recycled content
£26.03
£21.69 ex. VAT
£21.69
£26.03 inc. VAT
£26.03
£21.69 ex. VAT
£21.69
£26.03 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

5 Star Office Envelopes Pocket Self Seal 90gsm C4 White 250 Pack F90014 156628 F
250
Pack
  • Size: C4 (324x229mm) - Ideal for standard business documents
  • Self-Seal Closure: No licking needed for quick and easy sealing
  • 90gsm Paper Weight: Durable and reliable quality paper
  • Pack of 250: Provides a large supply for extended use
£25.01
£20.84 ex. VAT
£20.84
£25.01 inc. VAT
£25.01
£20.84 ex. VAT
£20.84
£25.01 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

New Guardian Envelope Pocket Self Seal 130gsm C5 Manilla 250 Pack D26103 139227 F
250
Pack
  • Pack Size: 250 envelopes
  • Envelope Size: C5
  • Paper Weight: 130gsm for durability
  • Closure Type: Self-seal for easy & secure use
£40.63
£33.86 ex. VAT
£33.86
£40.63 inc. VAT
£40.63
£33.86 ex. VAT
£33.86
£40.63 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

New Guardian Envelopes Pocket 130gsm C5 Manilla 250 Pack L26039 101292 F
250
Pack
  • Size: C5
  • Paper Weight: 130gsm
  • Closure: Power-Tac peel and seal with tear strip
  • Pack Quantity: 250 envelopes
£37.73
£31.44 ex. VAT
£31.44
£37.73 inc. VAT
£37.73
£31.44 ex. VAT
£31.44
£37.73 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Q Connect Envelopes Pocket Self Seal 80gsm C4 Manilla 250 Pack KF02720 154378 F
250
Pack
  • Contains 250 manilla C4 envelopes
  • Self-seal closure for convenience
  • Suitable for A4 documents
  • Durable 80gsm paper
£22.68
£18.90 ex. VAT
£18.90
£22.68 inc. VAT
£22.68
£18.90 ex. VAT
£18.90
£22.68 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

5 Star Office Envelopes Pocket Self Seal 90gsm C4 Manilla 250 Pack F90022 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
£25.93
£21.61 ex. VAT
£21.61
£25.93 inc. VAT
£25.93
£21.61 ex. VAT
£21.61
£25.93 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

5 Star Office Envelopes Recycled Pocket Self Seal 115gsm 406x305mm Manilla 250 Pack D90023 123891 F
250
Pack
  • Pack of 250: Contains 250 high-quality manilla envelopes.
  • Self-Seal Closure: Features a reliable self-seal for convenience.
  • Recycled Material: Made with 100% recycled materials for sustainability.
  • Size: 406 x 305mm: Ideal for standard documents and office use.
£42.25
£35.21 ex. VAT
£35.21
£42.25 inc. VAT
£42.25
£35.21 ex. VAT
£35.21
£42.25 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

5 Star Office Envelopes Recycled Pocket Self Seal 90gsm 381x254mm Manilla 250 Pack 907220 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
£26.03
£21.69 ex. VAT
£21.69
£26.03 inc. VAT
£26.03
£21.69 ex. VAT
£21.69
£26.03 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

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?