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Window Envelopes

Find a wide range of window envelopes at Cartridge People, including C4 and DL window envelopes.

Window Envelopes
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We found 45 products
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Plus Fabric Self Seal C4 Windowed Pocket Envelope 120gsm - White (250 Pack) H27070

Plus Fabric Self Seal C4 Windowed Pocket Envelope 120gsm White 250 Pack H27070 127526 F
250
Pack
  • Size: C4, ideal for A4 documents
  • Material: Durable 120gsm paper construction
  • Closure: Convenient self-seal design
  • Pack: Includes 250 white envelopes
£147.43
£122.86 ex. VAT
£122.86
£147.43 inc. VAT
£147.43
£122.86 ex. VAT
£122.86
£147.43 inc. VAT

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Order now for dispatch tomorrow

Evolve Recycled Self Seal C5 Windowed Envelope 100gsm - White (500 Pack) RD7084

Evolve Recycled Self Seal C5 Windowed Envelope 100gsm White 500 Pack RD7084 221800 F
500
Pack
  • Eco-Friendly: Made from 100% recycled 100gsm paper.
  • Convenient: Features a self-seal closure and 45x90mm window.
  • Size: C5 envelopes, ideal for A4/A5 documents.
  • Quantity: Pack of 500 envelopes.
£41.55
£34.62 ex. VAT
£34.62
£41.55 inc. VAT
£41.55
£34.62 ex. VAT
£34.62
£41.55 inc. VAT

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Order now for dispatch tomorrow

New Guardian Self Seal C4 Windowed Envelope 130gsm - Manilla (250 Pack) M27503

New Guardian Self Seal C4 Windowed Envelope 130gsm Manilla 250 Pack M27503 125027 F
250
Pack
  • Pack Size: 250 manilla envelopes
  • Paper Weight: Durable 130gsm paper
  • Envelope Size: C4, fits unfolded A4 documents
  • Closure Type: Self-seal with 40x100mm address window
£57.89
£48.24 ex. VAT
£48.24
£57.89 inc. VAT
£57.89
£48.24 ex. VAT
£48.24
£57.89 inc. VAT

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Order now for dispatch tomorrow

5 Star Eco Recycled Self Seal C5 Windowed Pocket Envelope 90gsm - White (500 Pack) 940406

5 Star Eco Recycled Self Seal C5 Windowed Pocket Envelope 90gsm White 500 Pack 940406 477452 F
500
Pack
  • Eco-Friendly: Made from 100% recycled 90gsm paper.
  • C5 Size: Dimensions of 229 x 162mm.
  • Self-Seal & Window: Features a convenient self-seal closure and clear window.
  • Pack of 500: Includes 500 envelopes per pack.
£31.19
£25.99 ex. VAT
£25.99
£31.19 inc. VAT
£31.19
£25.99 ex. VAT
£25.99
£31.19 inc. VAT

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Order now for dispatch tomorrow

Plus Fabric Self Seal C6 Windowed Wallet Envelope 120gsm - White (500 Pack) F22670

Plus Fabric Self Seal C6 Windowed Wallet Envelope 120gsm White 500 Pack F22670 117423 F
500
Pack
  • Secure Mailing: Self-seal closure and opaque blue interior for confidential documents.
  • Durable Quality: Crafted from 120gsm paper for reliable handling.
  • Convenient Features: Includes a 39 x 93mm address window for easy addressing.
  • Bulk Pack: Contains 500 C6 sized envelopes for ample supply.
£61.79
£51.49 ex. VAT
£51.49
£61.79 inc. VAT
£61.79
£51.49 ex. VAT
£51.49
£61.79 inc. VAT

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Order now for dispatch tomorrow

Q-Connect Self Seal C5 Windowed Pocket Envelope 90gsm - White (500 Pack) KF02718

Q Connect Self Seal C5 Windowed Pocket Envelope 90gsm White 500 Pack KF02718 177003 F
500
Pack
  • Pack Size: 500 envelopes (20 packs of 25)
  • Paper Weight: 90gsm white envelopes
  • Closure Type: Self-Seal for convenience
  • Suitable For: A4 (folded) or A5 documents
£43.08
£35.90 ex. VAT
£35.90
£43.08 inc. VAT
£43.08
£35.90 ex. VAT
£35.90
£43.08 inc. VAT

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Order now for dispatch tomorrow

Self Seal DL Windowed Envelope 80gsm - Manilla (1000 Pack) DL801000MW

Self Seal DL Windowed Envelope 80gsm Manilla 1000 Pack DL801000MW 809036 F
1000
Pack
  • Quantity: 1000 high-quality manilla envelopes per pack.
  • Size & Fit: DL size (110x220mm) – fits tri-folded A4 documents.
  • Closure Type: Features a convenient self-seal adhesive flap.
  • Paper Quality: Made from durable 80gsm paper.
£22.51
£18.76 ex. VAT
£18.76
£22.51 inc. VAT
£22.51
£18.76 ex. VAT
£18.76
£22.51 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Self Seal C5 Windowed Envelope 90gsm - Manilla (500 Pack) C590500MW

Self Seal C5 Windowed Envelope 90gsm Manilla 500 Pack C590500MW 809034 F
500
Pack
  • Pack of 500: Contains a generous 500 high-quality manilla envelopes.
  • C5 Size: Specifically sized at 229x162mm to fit A5 documents.
  • Self-Seal Closure: Features a convenient self-seal adhesive flap for easy use.
  • 90gsm Paper Weight: Crafted from durable 90gsm manilla paper for reliable mailing.
£43.69
£36.41 ex. VAT
£36.41
£43.69 inc. VAT
£43.69
£36.41 ex. VAT
£36.41
£43.69 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Self Seal C4 Windowed Envelope 90gsm - White (250 Pack)

Self Seal C4 Windowed Envelope 90gsm White 250 Pack 755370 F
250
Pack
  • C4 Size & 250 Envelopes: Ideal for standard correspondence.
  • 90gsm White Paper: Provides a professional and quality feel.
  • Window & Self-Seal: For easy addressing and secure closure.
  • UK Made & Sustainable: Ethically sourced paper from renewable forests.
This item is out of stock

Self Seal C4 Windowed Envelope 90gsm - White (250 Pack)

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Window Envelopes

Find the window envelopes for your business or personal needs with our extensive range. Including various sizes, from popular DL and C5 to C4 and C6, you’ll also find sealing options like gummed, self seal and peel & seal.

Choose from a range of paper weights, including 70gsm, 80gsm, 90gsm and 120gsm options and benefit from convenient pack sizes, from economical smaller packs up to larger packs.

Ideal for invoices, letters and important documents, our window envelopes offer a professional finish. We stock both white and manilla envelopes with windows. Browse our selection to find the right size, weight and sealing method for efficient and secure mailing.

Discover our full range of envelopes, for the secure sending of correspondence at home or work.