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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 49 products
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Basildon Bond Pocket Envelope 120gsm C4 White (250 Pack) M80120

Basildon Bond Pocket Envelope 120gsm C4 White 250 Pack M80120 106610 F
250
Pack

  • Pack of 250 plain white C4 envelopes

  • Suitable for A4 documents & standard business correspondence

  • Made from 120gsm 100% recycled paper

  • Features a peel and seal closure & opaque green interior

£69.07
£57.56 ex. VAT
£57.56
£69.07 inc. VAT
£69.07
£57.56 ex. VAT
£57.56
£69.07 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Q-Connect Envelope Pocket Self Seal 100gsm 406x305mm Manilla (250 Pack) KF3536

Q Connect Envelope Pocket Self Seal 100gsm 406x305mm Manilla 250 Pack KF3536 195478 F
250
Pack
  • Size: 406x305mm - Ideal for A4 documents.
  • Self-Seal: Quick and easy closure – no licking needed!
  • Durable: Made from quality 100gsm paper for reliable protection.
  • Pack of 250: Perfect for businesses and home organisation.
£47.70
£39.75 ex. VAT
£39.75
£47.70 inc. VAT
£47.70
£39.75 ex. VAT
£39.75
£47.70 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Blake Wallet Envelope Peel and Seal 120gsm C5 Black (250 Pack) BLK93027

Blake Wallet Envelope Peel and Seal 120gsm C5 Black 250 Pack BLK93027 453103 F
250
Pack
  • Size: C5 – fits A4 folded or A5 documents.
  • Closure: Peel and seal for secure mailing.
  • Quantity: 250 envelopes per pack.
  • Colour: Jet Black – adds a sophisticated touch.
£83.04
£69.20 ex. VAT
£69.20
£83.04 inc. VAT
£83.04
£69.20 ex. VAT
£69.20
£83.04 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Plus Fabric Envelopes Self Seal 120gsm C5 White (250 Pack) D23770

Plus Fabric Envelopes Self Seal 120gsm C5 White 250 Pack D23770 154917 F
250
Pack
  • Pack of 250 self-seal C5 envelopes
  • Suitable for A5 & folded A4 documents
  • Made from durable 120gsm bright white paper
  • Self-seal closure saves time & effort
£49.18
£40.98 ex. VAT
£40.98
£49.18 inc. VAT
£49.18
£40.98 ex. VAT
£40.98
£49.18 inc. VAT

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

New Guardian Envelope Self Seal 130gsm C4 Manilla (250 Pack) L26303

New Guardian Envelope Self Seal 130gsm C4 Manilla 250 Pack L26303 104882 F
250
Pack
  • Size: C4 - Perfectly sized for A4 sheets.
  • Paper Weight: 130gsm - Durable and reliable protection.
  • Closure: Self-Seal – Quick and convenient for secure mailing.
  • Quantity: Pack of 250 – Ideal for office and home use.
£73.28
£61.07 ex. VAT
£61.07
£73.28 inc. VAT
£73.28
£61.07 ex. VAT
£61.07
£73.28 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Q-Connect Envelope Pocket Self Seal 100gsm B4 White (250 Pack) KF02896

Q Connect Envelope Pocket Self Seal 100gsm B4 White 250 Pack KF02896 101758 F
250
Pack
  • B4 Size: 353 x 250mm
  • 100gsm Paper Weight for quality feel
  • Convenient Self-Seal Closure
  • Pack of 250 White Envelopes
£48.42
£40.35 ex. VAT
£40.35
£48.42 inc. VAT
£48.42
£40.35 ex. VAT
£40.35
£48.42 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

5 Star Office Envelopes Recycled Pocket Self Seal 90gsm 406x305mm Manilla (250 Pack) 907239

5 Star Office Envelopes Recycled Pocket Self Seal 90gsm 406x305mm Manilla 250 Pack 907239 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
£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

Bong E-Green 50mm Gusset Peel and Seal Mailer 120gsm C4 Manilla (250 Pack) 69113

Bong E Green 50mm Gusset Peel and Seal Mailer 120gsm C4 Manilla 250 Pack 69113 611751 F
250
Pack
  • Durable & Waterproof: Crafted from 120gsm Kraft paper for reliable protection.
  • Generous Gusset: Features a 50mm gusset for thicker contents.
  • Convenient Closure: Easy-peel and seal with a tamper-evident seal & return strip.
  • Pack of 250: Ideal for mailing catalogues, reports, and brochures.
£85.04
£70.87 ex. VAT
£70.87
£85.04 inc. VAT
£85.04
£70.87 ex. VAT
£70.87
£85.04 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Plus Fabric Envelope Pocket Self Seal 120gsm C4 White (250 Pack) L26370

Plus Fabric Envelope Pocket Self Seal 120gsm C4 White 250 Pack L26370 118558 F
250
Pack
  • Size: C4 – fits standard A4 sheets.
  • Closure: Self-seal for quick & easy use.
  • Quantity: 250 envelopes per pack.
  • Security: White exterior, opaque blue interior for confidentiality.
£84.19
£70.16 ex. VAT
£70.16
£84.19 inc. VAT
£84.19
£70.16 ex. VAT
£70.16
£84.19 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Blake Wallet Envelope Peel and Seal 120gsm C5 Yellow (250 Pack) BLK93019

Blake Wallet Envelope Peel and Seal 120gsm C5 Yellow 250 Pack BLK93019 453097 F
250
Pack
  • Colour: Bright Banana Yellow – makes mail stand out.
  • Size: C5 – fits A4 folded or A5 unfolded.
  • Closure: Peel and seal for quick dispatch.
  • Pack Size: 250 envelopes per pack.
£47.17
£39.31 ex. VAT
£39.31
£47.17 inc. VAT
£47.17
£39.31 ex. VAT
£39.31
£47.17 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Blake Wallet Envelope Peel and Seal 120gsm C5 Red (250 Pack) BLK93020

Blake Wallet Envelope Peel and Seal 120gsm C5 Red 250 Pack BLK93020 453098 F
250
Pack
  • Vibrant Red C5 Envelopes: Make your mail stand out.
  • Quality 120gsm Paper: Professional finish & reliable protection.
  • Peel & Seal Closure: Secure and easy to use.
  • Bulk Pack of 250: Ideal for businesses & frequent use.
£74.56
£62.13 ex. VAT
£62.13
£74.56 inc. VAT
£74.56
£62.13 ex. VAT
£62.13
£74.56 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Blake Wallet Envelope Peel and Seal 130gsm C5 Metallic Gold (250 Pack) BLK93029

Blake Wallet Envelope Peel and Seal 130gsm C5 Metallic Gold 250 Pack BLK93029 453105 F
250
Pack
  • Pack Size: 250 Metallic Gold envelopes.
  • Paper Weight: Crafted from high-quality 130gsm paper.
  • Envelope Size: C5 – fits A4 folded or A5 unfolded.
  • Closure Type: Convenient Peel and Seal for easy mailing.
£140.90
£117.42 ex. VAT
£117.42
£140.90 inc. VAT
£140.90
£117.42 ex. VAT
£117.42
£140.90 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Bong E-Green 40mm Gusset Peel and Seal Mailer 210gsm C5 Manilla (250 Pack) 69112

Bong E Green 40mm Gusset Peel and Seal Mailer 210gsm C5 Manilla 250 Pack 69112 611750 F
250
Pack
  • Pack of 250: Ideal for bulk mailing needs.
  • 40mm Gusset: Provides extra space for thicker items.
  • Waterproof & Durable: Made from 120gsm Kraft paper.
  • Peel & Seal Closure: Includes a tamper-evident seal and return strip.
£63.98
£53.32 ex. VAT
£53.32
£63.98 inc. VAT
£63.98
£53.32 ex. VAT
£53.32
£63.98 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?