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 16 products
1 - 16 of 16 products
|

Q-Connect Envelope Plain Wallet Peel & Seal 100gsm DL White (500 Pack)

Q Connect Envelope Plain Wallet Peel Seal 100gsm DL White 500 Pack 280226 F
500
Pack
  • 500 pack of plain white wallet envelopes
  • Made from quality 100gsm paper
  • Secure peel and seal closure – no licking!
  • Accommodates A4/A5 sheets folded
£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 Peel & Seal White Envelope 100gsm C5 White (100 Pack)

Blake PurelyEveryday Peel Seal White Envelope 100gsm C5 White 100 Pack 752568 F
100
Pack
  • Size: C5
  • Quantity: 100 Envelopes
  • Closure: Peel & Seal - no licking needed!
  • Paper Weight: 100gsm for a professional feel
£9.94
£8.28 ex. VAT
£8.28
£9.94 inc. VAT
£9.94
£8.28 ex. VAT
£8.28
£9.94 inc. VAT

Order now for dispatch today

Order now for dispatch today

5 Star Value Envelope Pocket Self Seal 100gsm C5 White (500 Pack)

5 Star Value Envelope Pocket Self Seal 100gsm C5 White 500 Pack 889366 F
500
Pack
  • Size: C5
  • Quantity: 500 envelopes per pack
  • Convenient: Self-seal closure for easy use
  • Easy Access: Pocket opening design
£21.82
£18.18 ex. VAT
£18.18
£21.82 inc. VAT
£21.82
£18.18 ex. VAT
£18.18
£21.82 inc. VAT

Order now for dispatch today

Order now for dispatch today

Q-Connect Envelope Pocket Peel & Seal 100gsm C5 White (500 Pack)

Q Connect Envelope Pocket Peel Seal 100gsm C5 White 500 Pack 280224 F
500
Pack
  • Bulk Pack: Contains 500 white envelopes for ample supply.
  • Secure Closure: Features a convenient peel and seal for a tidy, secure seal.
  • Paper Weight: Crafted from quality 100gsm paper for a professional finish.
  • Sheet Compatibility: Suitable for A4 (folded) or A5 (unfolded) sheets.
£26.26
£21.88 ex. VAT
£21.88
£26.26 inc. VAT
£26.26
£21.88 ex. VAT
£21.88
£26.26 inc. VAT

Order now for dispatch today

Order now for dispatch today

Q-Connect Envelope Pocket Self Seal 100gsm C5 White (500 Pack)

Q Connect Envelope Pocket Self Seal 100gsm C5 White 500 Pack 147783 F
500
Pack
  • Pack Size: 500 envelopes per pack
  • Paper Quality: Made from 100gsm white paper
  • Size Compatibility: Fits A4 (folded) or A5 (unfolded) sheets
  • Closure Type: Features a convenient self-seal closure
£21.46
£17.88 ex. VAT
£17.88
£21.46 inc. VAT
£21.46
£17.88 ex. VAT
£17.88
£21.46 inc. VAT

Order now for dispatch today

Order now for dispatch today

5 Star Office Envelope Pocket Peel & Seal 100gsm C5 White (500 Pack)

5 Star Office Envelope Pocket Peel Seal 100gsm C5 White 500 Pack 160514 F
500
Pack
  • Size: C5 (229x162mm) for standard mailings.
  • Peel & Seal Closure: Quick and effortless fastening.
  • Pocket Opening: Easy insertion and removal of contents.
  • Pack of 500: Ideal for busy offices and frequent use.
£19.96
£16.63 ex. VAT
£16.63
£19.96 inc. VAT
(1)
£19.96
£16.63 ex. VAT
£16.63
£19.96 inc. VAT
(1)

Order now for dispatch today

Order now for dispatch today

Blake PurelyEveryday Peel & Seal Envelope 100gsm DL White (50 Pack)

Blake PurelyEveryday Peel Seal Envelope 100gsm DL White 50 Pack 434293 F
50
Pack
  • Pack Size: 50 Envelopes
  • Closure Type: Peel & Seal
  • Paper Weight: 100gsm for durability
  • Envelope Size: Dl
£5.14
£4.28 ex. VAT
£4.28
£5.14 inc. VAT
(2)
£5.14
£4.28 ex. VAT
£4.28
£5.14 inc. VAT
(2)

Order now for dispatch today

Order now for dispatch today

5 Star Office Envelope Wallet Peel & Seal 100gsm DL White (500 Pack)

5 Star Office Envelope Wallet Peel Seal 100gsm DL White 500 Pack 104769 F
500
Pack
  • Size: DL (220x110mm) - Ideal for standard documents
  • Quantity: 500 envelopes per pack – a long-lasting supply
  • Peel and Seal Closure: Saves time and ensures a secure seal
  • Wallet Opening: Allows easy access to contents
£16.13
£13.44 ex. VAT
£13.44
£16.13 inc. VAT
(2)
£16.13
£13.44 ex. VAT
£13.44
£16.13 inc. VAT
(2)

Order now for dispatch today

Order now for dispatch today

Q-Connect Envelope Recycled Self Seal 100gsm DL White (500 Pack)

Q Connect Envelope Recycled Self Seal 100gsm DL White 500 Pack 107322 F
500
Pack
  • Pack of 500: Contains 500 white, self-seal wallet envelopes
  • Made from 100% recycled 100gsm paper
  • DL Size: Suitable for A4/A5 sheets folded appropriately
  • Self-Seal: Convenient closure for secure and efficient mailing
£20.98
£17.48 ex. VAT
£17.48
£20.98 inc. VAT
£20.98
£17.48 ex. VAT
£17.48
£20.98 inc. VAT

Order now for dispatch today

Order now for dispatch today

Q-Connect Envelope Wallet Self Seal 100gsm DL White (1000 Pack)

Q Connect Envelope Wallet Self Seal 100gsm DL White 1000 Pack 119404 F
1000
Pack
  • Pack of 1000: Contains 1000 white wallet envelopes.
  • DL Size: Suitable for A4/A5 folded sheets.
  • 100gsm Paper: Crafted from quality 100gsm white paper.
  • Self-Seal Closure: Features a convenient and secure self-seal.
£27.48
£22.90 ex. VAT
£22.90
£27.48 inc. VAT
£27.48
£22.90 ex. VAT
£22.90
£27.48 inc. VAT

Order now for dispatch today

Order now for dispatch today

Evolve Envelope Recycled Pocket Self Seal 100gsm C4 White (250 Pack)

Evolve Envelope Recycled Pocket Self Seal 100gsm C4 White 250 Pack 181440 F
250
Pack
  • 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.
£36.34
£30.28 ex. VAT
£30.28
£36.34 inc. VAT
£36.34
£30.28 ex. VAT
£30.28
£36.34 inc. VAT

Order now for dispatch today

Order now for dispatch today

Q-Connect Envelope Pocket Self Seal 100gsm 406mm x 305mm Manilla (250 Pack)

Q Connect Envelope Pocket Self Seal 100gsm 406mm x 305mm Manilla 250 Pack 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.
£49.60
£41.33 ex. VAT
£41.33
£49.60 inc. VAT
£49.60
£41.33 ex. VAT
£41.33
£49.60 inc. VAT

Order now for dispatch today

Order now for dispatch today

Blake Evolve Envelope Recycled Self Seal 100gsm C5 White (500 Pack)

Blake Evolve Envelope Recycled Self Seal 100gsm C5 White 500 Pack 236629 F
500
Pack
  • Made from 100% recycled 100gsm paper.
  • Convenient Self-Seal: Eliminates the need for tape or moisture.
  • C5 Size: Fits A4 sheets folded or A5 documents.
  • Large Quantity: Pack of 500 white envelopes.
£41.05
£34.21 ex. VAT
£34.21
£41.05 inc. VAT
£41.05
£34.21 ex. VAT
£34.21
£41.05 inc. VAT

Order now for dispatch today

Order now for dispatch today

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

Q Connect Envelope Pocket Self Seal 100gsm B4 White 250 Pack 101758 F
250
Pack
  • B4 Size: 353 x 250mm
  • 100gsm Paper Weight for quality feel
  • Convenient Self-Seal Closure
  • Pack of 250 White Envelopes
£50.37
£41.98 ex. VAT
£41.98
£50.37 inc. VAT
£50.37
£41.98 ex. VAT
£41.98
£50.37 inc. VAT

Order now for dispatch today

Order now for dispatch today

Value Kraft Mailing Bag 100mm Gusset 100gsm 415x495mm Manilla (50 Pack)

Value Kraft Mailing Bag 100mm Gusset 100gsm 415x495mm Manilla 50 Pack 786651 F
50
Pack
  • Expanding Gusset: Accommodates varying contents with extra space.
  • Reusable Design: Twin peel & seal strips enable easy re-sealing & returns.
  • UK Manufactured: Robust and lightweight alternative to cardboard boxes.
£35.37
£29.48 ex. VAT
£29.48
£35.37 inc. VAT
£35.37
£29.48 ex. VAT
£29.48
£35.37 inc. VAT

Order now for dispatch today

Order now for dispatch today

Value Kraft Mailing Bag 100mm Gusset 100gsm 580x465mm Manilla (50 Pack)

Value Kraft Mailing Bag 100mm Gusset 100gsm 580x465mm Manilla 50 Pack 786652 F
50
Pack
  • Dimensions: 580x465x100mm with a 100mm lip.
  • UK Made: Manufactured in the UK.
  • Convenient: Features twin peel and seal strips for easy returns.
This item is out of stock

Value Kraft Mailing Bag 100mm Gusset 100gsm 580x465mm Manilla (50 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?