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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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5 Star Office Envelopes Gusset 25mm Peel and Seal 115gsm C4 Manilla (125 Pack) 906527

5 Star Office Envelopes Gusset 25mm Peel and Seal 115gsm C4 Manilla 125 Pack 906527 140107 F
125
Pack
  • Pack of 125 manilla C4 envelopes
  • Peel & Seal closure for quick and easy use
  • 25mm gusset accommodates bulkier mail
  • 115gsm paper weight for reliable quality
£18.96
£15.80 ex. VAT
£15.80
£18.96 inc. VAT
£18.96
£15.80 ex. VAT
£15.80
£18.96 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Q-Connect Envelope Pocket Self Seal 115gsm C3 Manilla (125 Pack) KF3408

Q Connect Envelope Pocket Self Seal 115gsm C3 Manilla 125 Pack KF3408 125942 F
125
Pack
  • Size: 457x324mm (C3) - Ideal for larger correspondence.
  • Strong & Reliable: Crafted from 115gsm paper for secure transit.
  • Self-Seal Closure: Quick and easy to use - no moisture needed.
  • Pack of 125: Perfect for both business and home use.
£27.81
£23.17 ex. VAT
£23.17
£27.81 inc. VAT
£27.81
£23.17 ex. VAT
£23.17
£27.81 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

New Guardian Envelope Pocket 130gsm C3 Manilla (125 Pack) C27013

New Guardian Envelope Pocket 130gsm C3 Manilla 125 Pack C27013 118797 F
125
Pack
  • Size: C3 (457 x 324mm) - Ideal for larger documents.
  • Quantity: 125 envelopes per pack - Great for business or home use.
  • Closure: Peel and Seal - Quick, easy, and secure.
  • Material: Durable 130gsm paper - Provides superior protection during transit.
£60.27
£50.22 ex. VAT
£50.22
£60.27 inc. VAT
£60.27
£50.22 ex. VAT
£50.22
£60.27 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Q-Connect Envelopes Gusset Peel and Seal 120gsm C4 White (125 Pack) KF02890

Q Connect Envelopes Gusset Peel and Seal 120gsm C4 White 125 Pack KF02890 142684 F
125
Pack
  • Suitable for A4 documents
  • 125 envelopes per pack
  • Features a 25mm expanding gusset
  • Secure peel and seal closure
£26.80
£22.33 ex. VAT
£22.33
£26.80 inc. VAT
£26.80
£22.33 ex. VAT
£22.33
£26.80 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

5 Star Value Envelope Gusset 25mm Peel and Seal 115gsm C4 Manilla (125 Pack) 652532

5 Star Value Envelope Gusset 25mm Peel and Seal 115gsm C4 Manilla 125 Pack 652532 282936 F
125
Pack
  • Size: C4
  • Gusset: 25mm for larger items
  • Closure: Peel and Seal for swift fastening
  • Quantity: Pack of 125 manilla envelopes
£20.91
£17.42 ex. VAT
£17.42
£20.91 inc. VAT
£20.91
£17.42 ex. VAT
£17.42
£20.91 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Q-Connect Envelopes Gusset Peel and Seal 120gsm C5 White (125 Pack) KF02889

Q Connect Envelopes Gusset Peel and Seal 120gsm C5 White 125 Pack KF02889 169201 F
125
Pack
  • Pack of 125 white C5 envelopes
  • Peel and seal closure for secure mailing
  • 25mm expanding gusset accommodates bulkier items
  • Suitable for A5 or folded A4 sheets
£21.71
£18.09 ex. VAT
£18.09
£21.71 inc. VAT
£21.71
£18.09 ex. VAT
£18.09
£21.71 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

5 Star Office Envelopes Gusset 25mm Peel and Seal 120gsm C4 White (125 Pack) 930191

5 Star Office Envelopes Gusset 25mm Peel and Seal 120gsm C4 White 125 Pack 930191 284130 F
125
Pack
  • Pack Size: 125 high-quality C4 envelopes
  • Convenient Closure: Features a quick and easy peel and seal closure.
  • Expansive Gusset: 25mm gusset accommodates bulkier items.
  • Paper Quality: Made with 120gsm paper for a professional finish.
£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 Envelope Pocket Self Seal 135gsm C3 Manilla (125 Pack) KF71465

Q Connect Envelope Pocket Self Seal 135gsm C3 Manilla 125 Pack KF71465 461803 F
125
Pack
  • Size: 458 x 324mm – Ideal for larger items.
  • Quantity: Pack of 125 manilla envelopes.
  • Material & Weight: Durable 135gsm manilla paper.
  • Convenient: Features a quick self-seal pocket closure & 75% recycled content.
£35.20
£29.33 ex. VAT
£29.33
£35.20 inc. VAT
£35.20
£29.33 ex. VAT
£29.33
£35.20 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

5 Star Office Envelopes Recycled Pocket Self Seal 115gsm C3 Manilla (125 Pack) 940414

5 Star Office Envelopes Recycled Pocket Self Seal 115gsm C3 Manilla 125 Pack 940414 477454 F
125
Pack
  • Size: 457x324mm
  • Quantity: 125 envelopes per pack
  • Closure: Features a convenient self-seal closure
  • Material: Made with 100% recycled materials
£21.59
£17.99 ex. VAT
£17.99
£21.59 inc. VAT
£21.59
£17.99 ex. VAT
£17.99
£21.59 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Q-Connect Gusset Envelope 140gsm B4 Manilla (125 Pack) KF08898

Q Connect Gusset Envelope 140gsm B4 Manilla 125 Pack KF08898 766962 F
125
Pack
  • Holds bulky items with a 25mm expanding gusset.
  • Pack of 125 B4 manilla envelopes.
  • Durable 140gsm paper for reliable protection.
  • Features a strong peel and seal closure for security.
£27.46
£22.88 ex. VAT
£22.88
£27.46 inc. VAT
£27.46
£22.88 ex. VAT
£22.88
£27.46 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?