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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 59 products
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Purely Everyday Peel and Seal Padded Bubble Pocket Envelopes C5 White (100 Pack) 157583

Purely Everyday Peel and Seal Padded Bubble Pocket Envelopes C5 White 100 Pack 157583
100
Pack
  • Size: C5 (162mm x 229mm)
  • Pack of 100
  • Peel and seal
  • Shock-absorbent inner lining
£10.36
£8.63 ex. VAT
£8.63
£10.36 inc. VAT
£10.36
£8.63 ex. VAT
£8.63
£10.36 inc. VAT

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Order now for dispatch tomorrow

Blake PurelyEveryday Peel & Seal Envelopes 100gsm DL White (50 Pack) 23882/50PR

Blake PurelyEveryday Peel Seal Envelopes 100gsm DL White 50 Pack 23882 50PR 434293 F
50
Pack
  • Pack Size: 50 Envelopes
  • Closure Type: Peel & Seal
  • Paper Weight: 100gsm for durability
  • Envelope Size: Dl
£3.54
£2.95 ex. VAT
£2.95
£3.54 inc. VAT
(1)
£3.54
£2.95 ex. VAT
£2.95
£3.54 inc. VAT
(1)

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Order now for dispatch tomorrow

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

Blake PurelyEveryday Peel & Seal White Envelopes 100gsm C5 White (100 Pack) 23893/100PR

Blake PurelyEveryday Peel Seal White Envelopes 100gsm C5 White 100 Pack 23893 100PR 752568 F
100
Pack
  • Size: C5
  • Quantity: 100 Envelopes
  • Closure: Peel & Seal - no licking needed!
  • Paper Weight: 100gsm for a professional feel
£8.77
£7.31 ex. VAT
£7.31
£8.77 inc. VAT
£8.77
£7.31 ex. VAT
£7.31
£8.77 inc. VAT

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Order now for dispatch tomorrow

5 Star Office Envelopes Pocket Peel and Seal 90gsm C4 White (10 Pack) FS600423

5 Star Office Envelopes Pocket Peel and Seal 90gsm C4 White 10 Pack FS600423 912084 F
10
Pack
  • Pack of 10 high-quality C4 envelopes
  • Suitable for A4 documents
  • 324 x 229mm dimensions
  • Peel and seal closure for secure mailing
£2.73
£2.27 ex. VAT
£2.27
£2.73 inc. VAT
(1)
£2.73
£2.27 ex. VAT
£2.27
£2.73 inc. VAT
(1)

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Order now for dispatch tomorrow

5 Star Office Envelopes Wallet Peel and Seal 100gsm DL White (500 Pack) 906594

5 Star Office Envelopes Wallet Peel and Seal 100gsm DL White 500 Pack 906594 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
£11.82
£9.85 ex. VAT
£9.85
£11.82 inc. VAT
£11.82
£9.85 ex. VAT
£9.85
£11.82 inc. VAT

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Order now for dispatch tomorrow

5 Star Office Envelopes Pocket Peel/Seal 100gsm C5 White (500 Pack) 906616

5 Star Office Envelopes Pocket Peel Seal 100gsm C5 White 500 Pack 906616 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.
£15.70
£13.08 ex. VAT
£13.08
£15.70 inc. VAT
(1)
£15.70
£13.08 ex. VAT
£13.08
£15.70 inc. VAT
(1)

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Order now for dispatch tomorrow

Q-Connect Envelopes Plain Wallet Peel and Seal 100gsm DL White (500 Pack) KF02951

Q Connect Envelopes Plain Wallet Peel and Seal 100gsm DL White 500 Pack KF02951 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
£18.59
£15.49 ex. VAT
£15.49
£18.59 inc. VAT
£18.59
£15.49 ex. VAT
£15.49
£18.59 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Q-Connect Envelope 25mm Gusset Peel and Seal 120gsm C4 Manilla (100 Pack) KF3527

Q Connect Envelope 25mm Gusset Peel and Seal 120gsm C4 Manilla 100 Pack KF3527 123713 F
100
Pack
  • Suitable for A4 documents
  • 25mm expanding gusset for bulky items
  • Strong peel and seal closure
  • Pack of 100 x 120gsm manilla envelopes
£20.82
£17.35 ex. VAT
£17.35
£20.82 inc. VAT
£20.82
£17.35 ex. VAT
£17.35
£20.82 inc. VAT

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Order now for dispatch tomorrow

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

5 Star Office Envelopes Pocket Peel and Seal 100gsm C4 White (250 Pack) 906632

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

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Order now for dispatch tomorrow

Q-Connect Envelopes Pocket Peel and Seal 100gsm C5 White (500 Pack) KF03289

Q Connect Envelopes Pocket Peel and Seal 100gsm C5 White 500 Pack KF03289 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.
£26.27
£21.89 ex. VAT
£21.89
£26.27 inc. VAT
£26.27
£21.89 ex. VAT
£21.89
£26.27 inc. VAT

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Order now for dispatch tomorrow

Q-Connect Envelope 25mm Gusset Peel and Seal 120gsm 381x254mm Manilla (100 Pack) KF3528

Q Connect Envelope 25mm Gusset Peel and Seal 120gsm 381x254mm Manilla 100 Pack KF3528 102004 F
100
Pack
  • Dimensions: 381 x 254 x 25mm
  • 25mm expanding gusset for bulky items
  • Pack of 100 durable 120gsm manilla envelopes
  • Strong peel and seal closure for secure mailing
£26.57
£22.14 ex. VAT
£22.14
£26.57 inc. VAT
£26.57
£22.14 ex. VAT
£22.14
£26.57 inc. VAT

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Order now for dispatch tomorrow

New Guardian Envelopes Gusset Peel/Seal 130gsm C4 Manilla (25 Pack) F27666

New Guardian Envelopes Gusset Peel Seal 130gsm C4 Manilla 25 Pack F27666 102300 F
25
Pack
  • Includes 25 durable manilla envelopes
  • Designed for A4 documents with a 25mm expanding gusset for bulky items
  • Crafted from durable 130gsm paper for reliable protection
  • Features a convenient peel and seal closure with Power-Tac adhesion
£24.98
£20.82 ex. VAT
£20.82
£24.98 inc. VAT
£24.98
£20.82 ex. VAT
£20.82
£24.98 inc. VAT

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Order now for dispatch tomorrow

New Guardian Envelopes Gusset 130gsm C4 Manilla (100 Pack) E27266

New Guardian Envelopes Gusset 130gsm C4 Manilla 100 Pack E27266 101376 F
100
Pack
  • Pack of 100 C4 Envelopes for A4 Documents
  • 25mm Expanding Gusset - Accommodates Bulky Items
  • Durable 130gsm Paper for Reliable Protection
  • Easy Peel & Seal Closure with Strong Power-Tac Adhesion
£64.21
£53.51 ex. VAT
£53.51
£64.21 inc. VAT
£64.21
£53.51 ex. VAT
£53.51
£64.21 inc. VAT

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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

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Order now for dispatch tomorrow

Basildon Bond Envelopes Wallet Peel and Seal 120gsm DL White (100 Pack) F80275

Basildon Bond Envelopes Wallet Peel and Seal 120gsm DL White 100 Pack F80275 103323 F
100
Pack
  • 100 high-quality envelopes
  • Fits A5 sheets folded once, or A4 sheets folded twice
  • Crafted from smooth, 120gsm white recycled paper
  • Ensures a secure, professional finish and saves time
£14.97
£12.47 ex. VAT
£12.47
£14.97 inc. VAT
£14.97
£12.47 ex. VAT
£12.47
£14.97 inc. VAT

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Order now for dispatch tomorrow

Q-Connect Envelopes Pocket Plain Peel and Seal 100gsm C4 White (250 Pack) KF03291

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

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

New Guardian Envelope Peel/Seal 130gsm C4 Manilla (250 Pack) J26339

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 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

Basildon Bond Pocket Envelope 120gsm C4 White (50 Pack) L80281

Basildon Bond Pocket Envelope 120gsm C4 White 50 Pack L80281 144082 F
50
Pack
  • Pack of 50 plain white C4 envelopes
  • 120gsm Recycled Paper - environmentally conscious choice
  • A4 Document Size - suitable for unfolded A4
  • Peel & Seal Closure & Opaque Green Interior for secure, confidential mailing
£18.91
£15.76 ex. VAT
£15.76
£18.91 inc. VAT
£18.91
£15.76 ex. VAT
£15.76
£18.91 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

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

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

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

New Guardian Armour Envelopes Gusset 130gsm C4 Manilla (100 Pack) A28113

New Guardian Armour Envelopes Gusset 130gsm C4 Manilla 100 Pack A28113 114759 F
100
Pack
  • Durable Material: 130gsm paper with woven polyester reinforcement.
  • Secure Closure: Peel and seal with Power-Tac adhesion for a reliable bond.
  • A4 Compatible: C4 size, suitable for A4 documents.
  • Expanding Gusset: 50mm gusset accommodates thicker contents.
£138.18
£115.15 ex. VAT
£115.15
£138.18 inc. VAT
£138.18
£115.15 ex. VAT
£115.15
£138.18 inc. VAT

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Order now for dispatch tomorrow

Basildon Bond Self Seal Envelope C5 White (50 Pack) B80277

Image Coming Soon
50
Pack
  • 50 Pack
  • Recycled paper
  • Weight: 120gsm
  • Peel and stick closure
£10.33
£8.61 ex. VAT
£8.61
£10.33 inc. VAT
£10.33
£8.61 ex. VAT
£8.61
£10.33 inc. VAT

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Order now for dispatch tomorrow

Plus Fabric Envelopes Peel and Seal 120gsm C5 White (500 Pack) B26139

Plus Fabric Envelopes Peel and Seal 120gsm C5 White 500 Pack B26139 115743 F
500
Pack
  • Pack of 500 C5 envelopes
  • Suitable for A5 & folded A4 documents
  • Durable 120gsm paper with peel & seal closure
  • Features an integrated tear strip for easy opening
£89.24
£74.37 ex. VAT
£74.37
£89.24 inc. VAT
£89.24
£74.37 ex. VAT
£74.37
£89.24 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

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

Basildon Bond Envelopes Wallet Peel and Seal 120gsm DL White (500 Pack) C80116

Basildon Bond Envelopes Wallet Peel and Seal 120gsm DL White 500 Pack C80116 105220 F
500
Pack
  • 500 Envelopes per Pack - Ideal for frequent mailing
  • 100% Recycled Paper - Environmentally conscious 120gsm material
  • DL Size - Fits A5 or folded A4 sheets
  • Peel and Seal Closure - Secure, professional and time-saving
£42.37
£35.31 ex. VAT
£35.31
£42.37 inc. VAT
£42.37
£35.31 ex. VAT
£35.31
£42.37 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

Plus Fabric Envelopes Wallet Peel and Seal 120gsm DL White (500 Pack)E27370

Plus Fabric Envelopes Wallet Peel and Seal 120gsm DL White 500 Pack E27370 127233 F
500
Pack
  • Secure & Professional: Ideal for confidential documents and professional presentations.
  • Durable Material: Crafted from robust 120gsm paper for lasting quality.
  • Convenient Closure: Features a peel and seal closure with a tear strip for easy access.
  • Versatile Size: Fits A5 sheets folded once, or A4 sheets folded twice.
£76.05
£63.37 ex. VAT
£63.37
£76.05 inc. VAT
£76.05
£63.37 ex. VAT
£63.37
£76.05 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

New Guardian Envelopes Pocket 130gsm C5 Manilla (250 Pack) L26039

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

Basildon Bond Pocket Envelope Plain 120gsm C5 White (500 Pack) L80118

Basildon Bond Pocket Envelope Plain 120gsm C5 White 500 Pack L80118 129113 F
500
Pack
  • 500 Pack: Contains 500 plain white C5 envelopes.
  • Eco-Friendly: Made from 100% recycled 120gsm paper.
  • Convenient Closure: Features a reliable peel and seal closure.
  • Versatile Size: Suitable for A5 or folded A4 documents.
£94.26
£78.55 ex. VAT
£78.55
£94.26 inc. VAT
£94.26
£78.55 ex. VAT
£78.55
£94.26 inc. VAT

Back ordered item -
Due back in stock on the 14th June

County Stationery Peel and Seal Envelope 70gsm C6 White (1000 Pack) C516

County Stationery Peel and Seal Envelope 70gsm C6 White 1000 Pack C516 924765 F
1000
Pack
  • Quantity: 1,000 envelopes (20 packs of 50)
  • Size: C6 (114 x 162mm)
  • Closure: Easy-peel, self-adhesive
  • Colour: Plain White
£28.78
£23.98 ex. VAT
£23.98
£28.78 inc. VAT
£28.78
£23.98 ex. VAT
£23.98
£28.78 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?