Top 9 C4 White Window Envelopes UK – Catalogue Envelopes

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1. Blake

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Pack of 250, Blake Purely Everyday C4 324 x 229 mm 100 gsm Pocket Self Seal Window Envelopes 13892 White

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Blake #ad - Perfect for business correspondance, letters, brochures and more. Easy to use Self Seal closure. Window: 40 x 105mm, 213 up, 24 left. High quality 100 gsm paper.
BrandBlake #ad
ManufacturerBlake Envelopes #ad
Height0.01
Length12.76
Width9.02
Part Number13892
Model13892

2. Postmaster

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Postmaster A4 C4 Window Envelopes 229 x 324 mm 100 GSM Self Seal White 100 Pack

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Postmaster #ad - Made in the uk - we manufacture millions of envelopes for some of Britain's biggest Organisations as well as for thousands of small, home based businesses using quality, bright white 100GSM paper.

Hygienic & fast - this envelope features Self Seal closing, which means no licking or peeling. Keeps your documents private - our envelopes are printed on the inside with an opaque blue pattern that makes it difficult to see what is inside the envelope. Pefc-certified for sustainability - peFC is a European based Forest certification system, that allows small- and family forest owners to demonstrate their excellence in sustainable forest management. C4 envelope - designed to take sheets of a4 paper unfolded. Simply press the flap down for a secure, hassle free close. Designed to be sent using a single Large Letter 1st Class or 2nd Class Stamp max 100g.
BrandPostmaster #ad
ManufacturerBong #ad
Height0.02
Length9.02
Width12.76
Part NumberRBL10612
ModelRBL10612

3. K-One

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K-One C4 / A4 Window White Self Seal Envelopes 90 GSM 324x229mm Pack of 100

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K-One #ad - Pack of 100 Envelopes. C4/a4 size: 324x229mm. High quality a4/c4 sized With Address Window White Envelopes.
BrandK-One #ad
ManufacturerK-One #ad
Part NumberWhite Envelope Window C4 x 100

4. Blake

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Pack of 250, Blake Purely Everyday C4 324 x 229 mm 100 gsm Pocket Peel and Seal Window Envelopes 23892 White

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Blake #ad - High quality 100 gsm paper. Secure peel and seal Closure for ease of use, added security and extra shelf life. Perfect for business correspondance, letters, brochures and more. 40 x 105 mm window, 213 up, 24 left.
BrandBlake #ad
ManufacturerBlake Envelopes #ad
Height5.71
Length33 cm (12.99 Inches)
Width23.5 cm (9.25 Inches)
Part Number23892
Model23892

5. Triplast

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Office & Commercial Use, Self Sealing & Printer Safe Mailing Paper Envelopes | Ideal for Everyday Home, Triplast 20 x C4 Window Self Seal Security Envelopes Size: 324x229mm | Address Window

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Triplast #ad - Multipurpose: these envelopes are ideal for mailing & organising invoices, brochures, etc. Hassle-free & practical: the self-seal adhesive eliminates the need for any tape, glue or licking to seal these envelopes - just fold & press the top flap to secure shut! These envelopes are also compatible with most inkjet and laser printers.

Recyclable & pefc certified: apart from being fully recyclable, these envelopes are made from paper sourced in a natural & controlled manner from SUSTAINABLY MANAGED FORESTS that also PROTECT THE RIGHTS OF WORKERS along the production process. They are a cost-effective option for everyday home, periodicals, letters, catalogues, statements, office & commercial use!.

Contents: pack of 20 white window mailing envelopes | size: c4 | length: 324 mm / 12. 76 in | width: 229 mm / 9. 02 in | thickness: 90 gsm | made in the UK. Enhanced security: these envelopes feature a see-through window to display essential information such as addresses and a blue high security pattern on the inside that scrambles text to ensure contents remain concealed when in-transit or storage.
BrandTriplast #ad
ManufacturerTriplast #ad
Part NumberENWC420
ModelENWC420

6. indigo

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Indigo C4 324mm x 229mm White Window Envelopes Peel & Seal Pocket 100 GSM, Pack of 25

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indigo #ad - Thickness: 100 Gsm. Approx size: 324mm x 229mm. Pack of 25 - a4 white window Peel & Seal Envelopes.
Brandindigo #ad
ManufacturerIndigo® #ad
Weight4 kg (8.82 Pounds)
Part Number50452

7. Q-Connect

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Q-Connect C4 Envelopes Window Self Seal 90gsm White Pack of 250

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Q-Connect #ad - Pack of 250 Made of quality 90gsm paper. Pocket envelopes with address window. Window size: 40 x 105mm. Size: c4 324 x 229mm. Self-seal closure. Window position: 24mm in, 213mm up. Colour: White.
BrandQ-Connect #ad
ManufacturerVow Europe plc #ad
Height0.05
Length0.15
Width0.09
Part NumberKF3501
ModelKF3501

8. Q-Connect

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Q-Connect KF02891 Gusset Envelope C4 Window Pack of 125, White

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Q-Connect #ad - Number of items: 1. 0 Gusset plain & Window. Package weight: 8. 51 pounds. Material: Paper. Package dimensions: 35. 2 l x 23. 8 h x 25. 6 w centimeters.
BrandQ-Connect #ad
ManufacturerVow Europe plc #ad
Height9.65
Length16.73
Weight4.08
Width7.4
Part NumberKF02891
ModelKF02891

9. White Box

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White Box Envelope C4 Window 90gsm White Self Seal Pack of 250 WX3501

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White Box #ad - Pack of 250 . Colour: White. Pocket envelopes with address window. Size: c4 324 x 229mm. 90gsm paper. Self seal closure. Window size: 40 x 105mm. Window position: 24mm in, 213mm up.
BrandWhite Box #ad
ManufacturerWHITEBOX #ad
Height0.04
Length9.45
Weight3.8 kg (8.38 Pounds)
Width5.71
Part NumberWX3501
ModelWX3501