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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 24 products
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5 Star Office Envelopes Pocket Peel and Seal 80gsm C5 White (25 Pack) FS600401

5 Star Office Envelopes Pocket Peel and Seal 80gsm C5 White 25 Pack FS600401 912086 F
25
Pack
  • Pack Size: 25 high-quality envelopes
  • Size: C5 – fits A4 folded or A5 unfolded
  • Paper Weight: 80gsm for durability
  • Closure: Convenient peel & seal – no licking needed!
£1.99
£1.66 ex. VAT
£1.66
£1.99 inc. VAT
(2)
£1.99
£1.66 ex. VAT
£1.66
£1.99 inc. VAT
(2)

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Order now for dispatch tomorrow

5 Star Office Envelopes Plain Wallet Self Seal 80gsm DL White (25 Pack) FS600371

5 Star Office Envelopes Plain Wallet Self Seal 80gsm DL White 25 Pack FS600371 912094 F
25
Pack
  • Pack of 25 plain white wallet envelopes
  • Suitable for DL size mail & folded A4/A5 sheets
  • 80gsm paper for reliable performance
  • Features a simple and secure self-seal closure
£1.63
£1.36 ex. VAT
£1.36
£1.63 inc. VAT
(1)
£1.63
£1.36 ex. VAT
£1.36
£1.63 inc. VAT
(1)

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Order now for dispatch tomorrow

Blake PurelyEveryday Self Seal Envelopes 80gsm DL White (50 Pack) 12882/50PR

Blake PurelyEveryday Self Seal Envelopes 80gsm DL White 50 Pack 12882 50PR 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
£2.47
£2.06 ex. VAT
£2.06
£2.47 inc. VAT
£2.47
£2.06 ex. VAT
£2.06
£2.47 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Value Envelope Self Seal 80gsm DL White (1000 Pack) WX3454

Value Envelope Self Seal 80gsm DL White 1000 Pack WX3454 193502 F
1000
Pack
  • Pack of 1000 white DL envelopes
  • Suitable for A5 & A4 documents
  • 80gsm quality paper for a professional finish
  • Self-seal flap – no moistening needed
£23.57
£19.64 ex. VAT
£19.64
£23.57 inc. VAT
£23.57
£19.64 ex. VAT
£19.64
£23.57 inc. VAT

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Order now for dispatch tomorrow

Q-Connect Envelope Wallet Self Seal 80gsm DL White (250 Pack) KF07556

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

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Order now for dispatch tomorrow

5 Star Office Envelopes Wallet Self Seal 80gsm DL White (50 Pack) 934740

5 Star Office Envelopes Wallet Self Seal 80gsm DL White 50 Pack 934740 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
£2.93
£2.44 ex. VAT
£2.44
£2.93 inc. VAT
£2.93
£2.44 ex. VAT
£2.44
£2.93 inc. VAT

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Order now for dispatch tomorrow

5 Star Office Envelopes Wallet Self Seal 80gsm DL White (1000 Pack) B90024

5 Star Office Envelopes Wallet Self Seal 80gsm DL White 1000 Pack B90024 112729 F
1000
Pack
  • Pack Size: 1000 white, DL size (220x110mm) envelopes
  • Self-Seal Closure: Saves time and effort with a reliable closure.
  • Wallet Opening: Opens along the longer side for easy access.
  • Trusted Brand: Part of the renowned 5 Star Office range.
£18.39
£15.32 ex. VAT
£15.32
£18.39 inc. VAT
£18.39
£15.32 ex. VAT
£15.32
£18.39 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Q-Connect Envelopes Plain Wallet Self Seal 80gsm DL White (1000 Pack) KF3454

Q Connect Envelopes Plain Wallet Self Seal 80gsm DL White 1000 Pack KF3454 123166 F
1000
Pack
  • Pack Size: 1000 envelopes per pack
  • Paper Weight: Made from 80gsm paper for reliable use
  • Size: DL size, fits A4/A5 folded sheets
  • Closure Type: Features a convenient self-seal closure
£21.13
£17.61 ex. VAT
£17.61
£21.13 inc. VAT
£21.13
£17.61 ex. VAT
£17.61
£21.13 inc. VAT

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Order now for dispatch tomorrow

5 Star Office Envelopes Recycled Wallet Self Seal Lightweight 80gsm C6 White (1000 Pack) H90019

5 Star Office Envelopes Recycled Wallet Self Seal Lightweight 80gsm C6 White 1000 Pack H90019 121386 F
1000
Pack
  • Size C6 (114x162mm) - ideal for standard correspondence.
  • Pack of 1000 - provides a large supply for office use.
  • Self-Seal & Wallet Opening - for easy and secure document handling.
  • 100% Recycled Materials - a sustainable stationery choice.
£27.61
£23.01 ex. VAT
£23.01
£27.61 inc. VAT
£27.61
£23.01 ex. VAT
£23.01
£27.61 inc. VAT

Back ordered item -
Due back in stock on the 9th June

Q-Connect Envelopes Pocket Self Seal 80gsm C4 Manilla (250 Pack) KF3470

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

Value Envelope Manilla Self Seal 80gsm C4 Manilla (250 Pack) WX3470

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 Pocket Gummed 80gsm C4 Manilla (250 Pack) KF3428

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

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Order now for dispatch tomorrow

5 Star Value Envelope Pocket Self Seal 80gsm C5 Manilla (500 Pack) 638531

5 Star Value Envelope Pocket Self Seal 80gsm C5 Manilla 500 Pack 638531 889369 F
500
Pack
  • Size: C5
  • Quantity: 500 envelopes per pack
  • Self-seal closure for easy mailing
  • Pocket opening on the shorter side
£12.43
£10.36 ex. VAT
£10.36
£12.43 inc. VAT
£12.43
£10.36 ex. VAT
£10.36
£12.43 inc. VAT

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Order now for dispatch tomorrow

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.
£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

5 Star Value Envelope Wallet Self Seal 80gsm DL White (1000 Pack) 638507

5 Star Value Envelope Wallet Self Seal 80gsm DL White 1000 Pack 638507 889013 F
1000
Pack
  • Pack Size: 1000 white envelopes per pack
  • Closure Type: Features a convenient self-seal closure
  • Opening Style: Wallet opening designed for access along the longer side
  • Paper Weight: Made from durable 80gsm paper
£18.39
£15.32 ex. VAT
£15.32
£18.39 inc. VAT
£18.39
£15.32 ex. VAT
£15.32
£18.39 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Q-Connect Envelopes Pocket Self Seal 80gsm C5 Manilla (500 Pack) KF3516

Q Connect Envelopes Pocket Self Seal 80gsm C5 Manilla 500 Pack KF3516 122157 F
500
Pack
  • Pack Size: 500 envelopes per pack
  • Size & Compatibility: C5 size, fits A4 folded or A5 unfolded
  • Material: Durable 80gsm paper
  • Convenience: Features a self-seal closure for easy use
£19.32
£16.10 ex. VAT
£16.10
£19.32 inc. VAT
£19.32
£16.10 ex. VAT
£16.10
£19.32 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Q-Connect Envelope Wallet Self Seal 80gsm C6 White (1000 Pack) KF02714

Q Connect Envelope Wallet Self Seal 80gsm C6 White 1000 Pack KF02714 139147 F
1000
Pack
  • Contains 1000 self-seal envelopes for mailing and archiving
  • Holds unfolded A6 or folded A5 documents
  • Made from bright white 80gsm paper for a professional finish
  • Supplied in packs of 50 for easy distribution
£43.05
£35.87 ex. VAT
£35.87
£43.05 inc. VAT
£43.05
£35.87 ex. VAT
£35.87
£43.05 inc. VAT

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Order now for dispatch tomorrow

County Stationery Peel and Seal Envelopes 80gsm DL White (1000 Pack) C504

County Stationery Peel and Seal Envelopes 80gsm DL White 1000 Pack C504 523186 F
1000
Pack
  • Large Quantity: 1000 envelopes per pack (20 x 50)
  • Convenient Closure: Peel and seal – no licking needed!
  • Standard DL Size: Ideal for A4 documents and letters.
  • 80gsm Paper Weight: Reliable and durable for everyday use.
£34.18
£28.48 ex. VAT
£28.48
£34.18 inc. VAT
£34.18
£28.48 ex. VAT
£28.48
£34.18 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

County Stationery Peel and Seal Envelopes 80gsm C5 White (250 Pack) C513

County Stationery Peel and Seal Envelopes 80gsm C5 White 250 Pack C513 523200 F
500
Pack
  • Size: C5 (229 x 162mm) - Ideal for standard correspondence.
  • Quantity: 500 envelopes (20 packs of 25) – A generous supply.
  • Convenient Closure: Peel and seal for quick and easy use.
  • Quality Paper: Crafted from 80gsm paper for a professional feel.
£34.10
£28.42 ex. VAT
£28.42
£34.10 inc. VAT
£34.10
£28.42 ex. VAT
£28.42
£34.10 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Q-Connect Envelopes Pocket Self Seal 80gsm C4 Manilla (250 Pack) KF02720

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

Q-Connect Envelopes Plain Wallet Self Seal 80gsm DL White (1000 Pack) KF02712

Q Connect Envelopes Plain Wallet Self Seal 80gsm DL White 1000 Pack KF02712 131505 F
1000
Pack
  • Pack of 1000 white, self-seal DL envelopes
  • Fits DL sized mail (A4 folded twice or A5 folded once)
  • Supplied in packs of 50 for easy distribution
  • 80gsm paper with a clean, professional white finish
£61.49
£51.24 ex. VAT
£51.24
£61.49 inc. VAT
£61.49
£51.24 ex. VAT
£51.24
£61.49 inc. VAT

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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

CTS Envelope Plain Non Window 80gsm C5 Manilla (500 Pack) C580500MP

CTS Envelope Plain Non Window 80gsm C5 Manilla 500 Pack C580500MP 809033 F
500
Pack
  • Pack Size: 500 high-quality C5 manilla envelopes
  • Convenient Closure: Features a quick and easy self-seal adhesive flap
  • Durable Material: Crafted from 80gsm manilla paper for reliable postage
  • Accommodates A5: Designed to comfortably fit A5 sized documents
£16.22
£13.52 ex. VAT
£13.52
£16.22 inc. VAT
£16.22
£13.52 ex. VAT
£13.52
£16.22 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

County Stationery Peel and Seal Envelopes 80gsm DL Manilla (1000 Pack) C520

County Stationery Peel and Seal Envelopes 80gsm DL Manilla 1000 Pack C520 523204 F
1000
Pack
  • Size: DL (110mm x 220mm) - Fits standard A4 paper.
  • Quantity: 1000 envelopes (20 packs of 50).
  • Convenient Closure: Peel and seal for quick, reliable sealing.
  • Durable Quality: Crafted from 80gsm paper for a quality feel.
This item is out of stock

County Stationery Peel and Seal Envelopes 80gsm DL Manilla (1000 Pack) C520

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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?