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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 8 products
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Blake Purely Everyday Self Seal DL Windowed Envelope 90gsm White (50 Pack)

Blake Purely Everyday Self Seal DL Windowed Envelope 90gsm White 50 Pack 454193 F
50
Pack
  • Pack Size: 50 envelopes
  • Paperweight: 90gsm for quality feel
  • Size: DL – standard letter size
  • Closure: Self-seal for convenience
£4.78
£3.98 ex. VAT
£3.98
£4.78 inc. VAT
£4.78
£3.98 ex. VAT
£3.98
£4.78 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Q-Connect Self Seal C4 Windowed Pocket Envelope 90gsm Manilla (250 Pack)

Q Connect Self Seal C4 Windowed Pocket Envelope 90gsm Manilla 250 Pack 461802 F
250
Pack
  • Size: C4 (324 x 229mm) - Ideal for A4 documents
  • Secure and Convenient: Self-seal adhesive flap for easy closure
  • Durable Quality: Crafted from 90gsm paper for reliable protection
  • Pack of 250: Manilla envelopes, perfect for business or home use
£17.91
£14.92 ex. VAT
£14.92
£17.91 inc. VAT
£17.91
£14.92 ex. VAT
£14.92
£17.91 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Q-Connect Gummed C5 Windowed Machine Envelope 90gsm White (500 Pack)

Q Connect Gummed C5 Windowed Machine Envelope 90gsm White 500 Pack 106366 F
500
Pack
  • Suitable for mailing machines
  • Dimensions: 162 x 238mm (Oversized C5)
  • 500 envelopes per pack
  • Durable 90gsm paper
£21.06
£17.55 ex. VAT
£17.55
£21.06 inc. VAT
£21.06
£17.55 ex. VAT
£17.55
£21.06 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Q-Connect Self Seal C6 Windowed Pocket Envelope 90gsm White (1000 Pack)

Q Connect Self Seal C6 Windowed Pocket Envelope 90gsm White 1000 Pack 121035 F
1000
Pack
  • Suitable for A6 or folded A5 documents
  • Self-seal closure for secure mailing
  • Strong 90gsm paper for quality feel
  • Pack of 1000 white C6 envelopes
£25.85
£21.54 ex. VAT
£21.54
£25.85 inc. VAT
£25.85
£21.54 ex. VAT
£21.54
£25.85 inc. VAT

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Order now for dispatch tomorrow

Evolve Recycled Self Seal DL Windowed Wallet Envelope 90gsm White (1000 Pack)

Evolve Recycled Self Seal DL Windowed Wallet Envelope 90gsm White 1000 Pack 134717 F
1000
Pack

  • Made from 100% recycled 90gsm paper – a sustainable mailing choice.

  • DL size with a 35x90mm address window – eliminates need for labels.

  • Self-seal closure for quick, secure & professional mailing.

  • Fits A4 sheets folded twice, or A5 sheets folded once.

£52.41
£43.67 ex. VAT
£43.67
£52.41 inc. VAT
£52.41
£43.67 ex. VAT
£43.67
£52.41 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

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

5 Star Eco Recycled Self Seal C5 Windowed Pocket Envelope 90gsm White 500 Pack 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

Order now for dispatch tomorrow

Order now for dispatch tomorrow

Self Seal C4 Windowed Envelope 90gsm Manilla (250 Pack)

Self Seal C4 Windowed Envelope 90gsm Manilla 250 Pack 809032 F
250
Pack
  • Quantity: 250 high-quality envelopes per pack
  • Size: C4 (324x229mm) - fits standard A4 documents
  • Closure: Convenient self-seal adhesive flap – no licking needed
  • Paper Weight: Durable 90gsm paper
£15.86
£13.22 ex. VAT
£13.22
£15.86 inc. VAT
£15.86
£13.22 ex. VAT
£13.22
£15.86 inc. VAT

Order now for dispatch tomorrow

Order now for dispatch tomorrow

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

Self Seal C5 Windowed Envelope 90gsm Manilla 500 Pack 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

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.