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C5 Window Envelopes

Q-Connect C5 Window Envelopes 90gsm Self Seal White (Pack of 500) 2820
Ideal for everyday use, these Q-Connect envelopes are made from quality 90gsm white paper and feature an easy to use, secure self seal closure, and convenient address window measuring 45 x 90mm. The C5 envelopes are suitable for an A4 sheet folded on..
From £14.39 Inc. VAT
From £11.99 Ex. VAT
Save 85%
RRP £98.84 Inc. VAT
RRP £82.37 Ex. VAT
Pack size: 1
Free delivery over £30
Free delivery over £36
KF3406
123 In Stock
Envelope C5 Window 90gsm Self Seal White Boxed (Pack of 500) WX3406 Budget product
Made of crisp, quality 90gsm paper, these C5 envelopes feature a self seal closure for security in transit and a convenient address window measuring 90 x 45mm. These C5 envelopes are suitable for an unfolded A5 sheet, or an A4 sheet folded once. This..
From £12.35 Inc. VAT
From £10.29 Ex. VAT
Save 87%
RRP £94.08 Inc. VAT
RRP £78.40 Ex. VAT
Pack size: 1
Free delivery over £30
Free delivery over £36
WX3406
1766 In Stock
Q-Connect C5 Window Envelopes 90gsm Self Seal White (Pack of 500) KF02718
Ideal for everyday use, these Q-Connect envelopes are made from quality 90gsm white paper and feature an easy to use, secure self closure, and convenient address window measuring 45 x 90mm. The C5 envelopes are suitable for an A4 sheet folded once or..
From £31.63 Inc. VAT
From £26.36 Ex. VAT
Save 73%
RRP £118.88 Inc. VAT
RRP £99.07 Ex. VAT
Pack size: 20
Free delivery over £30
Free delivery over £36
KF02718
94 In Stock
Q-Connect C5 Window Envelopes 90gsm Self Seal White (Pack of 500) 9000020
These Q-Connect pocket envelopes are made from crisp and bright 90gsm paper and feature a easy self seal adhesive flap. The envelopes feature a large address window for printed letters and documents. These C5 envelopes measure 229 x 162mm and are des..
From £14.72 Inc. VAT
From £12.27 Ex. VAT
Save 85%
RRP £95.45 Inc. VAT
RRP £79.54 Ex. VAT
Pack size: 500
Free delivery over £30
Free delivery over £36
KF71463
302 In Stock
Q-Connect C5 Window Envelopes 100gsm Self Seal White (Pack of 500) 9007500
These Q-Connect pocket envelopes are made from crisp and bright 100gsm paper and feature a easy self seal adhesive flap. The envelopes feature a large address window for printed letters and documents. These C5 envelopes measure 229 x 162mm and are de..
From £16.22 Inc. VAT
From £13.52 Ex. VAT
Save 82%
RRP £89.96 Inc. VAT
RRP £74.97 Ex. VAT
Pack size: 500
Free delivery over £30
Free delivery over £36
KF71466
Out of stock
Q-Connect C5 Envelopes 100gsm Window Peel and Seal White (Pack of 500) 1P53
Ideal for everyday use, these Q-Connect envelopes are made from quality 100gsm white paper and feature an easy to use, secure peel and seal closure, and convenient address window measuring 45 x 90mm. The C5 envelopes are suitable for an A4 sheet fold..
From £17.94 Inc. VAT
From £14.95 Ex. VAT
Save 76%
RRP £73.85 Inc. VAT
RRP £61.54 Ex. VAT
Pack size: 1
Free delivery over £30
Free delivery over £36
KF03290
619 In Stock
Q-Connect Pocket C5 Window Envelopes 115gsm Manilla Peel and Seal (Pack of 500) KF97370
Ideal for everyday use, these environmentally friendly Q-Connect pocket envelopes are made from 85% recycled 115gsm paper. The envelopes feature an easy to use, secure peel and seal closure, and convenient address window measuring 90 x 45mm. The C5 e..
From £18.34 Inc. VAT
From £15.28 Ex. VAT
Save 61%
RRP £47.50 Inc. VAT
RRP £39.58 Ex. VAT
Pack size: 1
Free delivery over £30
Free delivery over £36
KF97370
37 In Stock
Q-Connect Machine Envelope 162x238mm Window 80gsm Gummed White Pack of 500 KF71434
Suitable for use in mailing machines, these Q-Connect wallet envelopes are made from strong, lightweight 80gsm paper with a gummed closure and convenient address window measuring 45 x 90mm. Ideal for high volume mailing needs, these oversized C5 enve..
From £16.58 Inc. VAT
From £13.82 Ex. VAT
Save 77%
RRP £72.60 Inc. VAT
RRP £60.50 Ex. VAT
Pack size: 1
Free delivery over £30
Free delivery over £36
KF71434
Out of stock
Basildon Bond C5 Window Envelopes 120gsm Peel and Seal White J80119 Garden Voucher Prize Draw
These environmentally friendly Basildon Bond envelopes are made from smooth, white, 100% recycled 120gsm paper. With a simple and secure peel and seal closure, these envelopes also feature a convenient address window made from 100% biodegradable film..
From £36.78 Inc. VAT
From £30.65 Ex. VAT
Save 41%
RRP £62.80 Inc. VAT
RRP £52.33 Ex. VAT
Pack size: 1
Free delivery
Free delivery
JDJ80119
96 In Stock
Evolve Recycled C5 Window Envelopes Self Seal 100gsm White (Pack of 500) RD7084
These environmentally friendly Evolve pocket envelopes are made from quality 100% recycled 100gsm paper. The C5 envelopes feature a convenient address window measuring 45 x 90mm and a simple self seal closure. Suitable for A4 sheets folded once or un..
From £27.73 Inc. VAT
From £23.11 Ex. VAT
Save 48%
RRP £53.29 Inc. VAT
RRP £44.41 Ex. VAT
Pack size: 1
Free delivery over £30
Free delivery over £36
BLK93003
133 In Stock
New Guardian C5 Window Envelopes 130gsm Manilla Peel and Seal (Pack of 250) F26639
These New Guardian envelopes provide superior protection and strength with durable, heavyweight 130gsm paper. These C5 envelopes feature an extra strong Power-Tac peel and seal closure with an easy open tear strip and convenient address window measur..
From £22.32 Inc. VAT
From £18.60 Ex. VAT
Save 41%
RRP £38.03 Inc. VAT
RRP £31.69 Ex. VAT
Pack size: 1
Free delivery over £30
Free delivery over £36
JDF26639
31 In Stock
New Guardian C5 Window Envelopes 130gsm Manilla Self Seal (Pack of 250) A23013
These New Guardian envelopes provide superior protection and strength with durable, heavyweight 130gsm paper. Suitable for A4 documents folded once or unfolded A5 documents, the C5 envelopes feature a simple self seal closure and convenient address w..
From £20.11 Inc. VAT
From £16.76 Ex. VAT
Save 42%
RRP £34.84 Inc. VAT
RRP £29.03 Ex. VAT
Pack size: 1
Free delivery over £30
Free delivery over £36
JDA23013
33 In Stock
Plus Fabric C5 Window Envelopes 110gsm Peel and Seal White (Pack of 500) E24970
These Plus Fabric envelopes feature durable 110gsm bright white paper and a simple peel and seal closure with Power-Tac adhesion for a quick, strong seal. The envelopes also feature a convenient easy open tear strip and address window measuring 100 x..
From £50.39 Inc. VAT
From £41.99 Ex. VAT
Save 44%
RRP £90.24 Inc. VAT
RRP £75.20 Ex. VAT
Pack size: 1
Free delivery
Free delivery
JDE24970
39 In Stock
Plus Fabric C5 Window Envelopes Self Seal 110gsm White (Pack of 500) C26870
These Plus Fabric envelopes feature durable 110gsm bright white paper and a simple self seal closure for ease of use. The envelopes also feature a convenient address window measuring 100 x 40mm. These C5 envelopes are suitable for unfolded A5 documen..
From £46.14 Inc. VAT
From £38.45 Ex. VAT
Save 44%
RRP £82.58 Inc. VAT
RRP £68.82 Ex. VAT
Pack size: 1
Free delivery
Free delivery
JDC26870
106 In Stock
Postmaster Envelope 162x238mm High Window 90gsm Gummed White (Pack of 500) A29984
Made from bright 90gsm white paper, Postmaster envelopes have been designed for, and tested on, all known makes of mailing machine, from desktop to full scale. They feature an oversized format for easier insertion of letters and a gummed flap designe..
From £44.28 Inc. VAT
From £36.90 Ex. VAT
Save 45%
RRP £80.41 Inc. VAT
RRP £67.01 Ex. VAT
Pack size: 1
Free delivery
Free delivery
JDA29984
Out of stock
Postmaster Envelope Low Window 162x238mm 80gsm Gummed Manilla (Pack of 500) F24756
Ideal for any size of mailing machine, from desktop to full scale, Postmaster envelopes feature an oversized format for easier insertion of letters and a gummed flap designed for automatic sealing. The envelopes are made from strong, lightweight 80gs..
From £36.12 Inc. VAT
From £30.10 Ex. VAT
Save 45%
RRP £65.60 Inc. VAT
RRP £54.67 Ex. VAT
Pack size: 1
Free delivery
Free delivery
JDF24756
14 In Stock
Q-Connect C5 Window Envelopes 90gsm Self Seal White (Pack of 500) 2820
From £14.39 Inc. VAT
From £11.99 Ex. VAT
Save 85%
RRP £98.84 Inc. VAT
RRP £82.37 Ex. VAT
5+ £11.64 Ex. VAT £13.97 Inc. VAT
10+ £11.31 Ex. VAT £13.57 Inc. VAT
Ideal for everyday use, these Q-Connect envelopes are made from quality 90gsm white paper and feature an easy to use, secure self seal closure, and convenient address window measuring 45 x 90mm. The C5 envelopes are suitable for an A4 sheet folded on..
Free delivery over £30
Free delivery over £36
KF3406
123 In Stock
Envelope C5 Window 90gsm Self Seal White Boxed (Pack of 500) WX3406
From £12.35 Inc. VAT
From £10.29 Ex. VAT
Save 87%
RRP £94.08 Inc. VAT
RRP £78.40 Ex. VAT
5+ £9.97 Ex. VAT £11.96 Inc. VAT
10+ £9.67 Ex. VAT £11.60 Inc. VAT
Made of crisp, quality 90gsm paper, these C5 envelopes feature a self seal closure for security in transit and a convenient address window measuring 90 x 45mm. These C5 envelopes are suitable for an unfolded A5 sheet, or an A4 sheet folded once. This..
Free delivery over £30
Free delivery over £36
WX3406
1766 In Stock
Q-Connect C5 Window Envelopes 90gsm Self Seal White (Pack of 500) KF02718
From £31.63 Inc. VAT
From £26.36 Ex. VAT
Save 73%
RRP £118.88 Inc. VAT
RRP £99.07 Ex. VAT
5+ £24.27 Ex. VAT £29.12 Inc. VAT
Ideal for everyday use, these Q-Connect envelopes are made from quality 90gsm white paper and feature an easy to use, secure self closure, and convenient address window measuring 45 x 90mm. The C5 envelopes are suitable for an A4 sheet folded once or..
Free delivery over £30
Free delivery over £36
KF02718
94 In Stock
Q-Connect C5 Window Envelopes 90gsm Self Seal White (Pack of 500) 9000020
From £14.72 Inc. VAT
From £12.27 Ex. VAT
Save 85%
RRP £95.45 Inc. VAT
RRP £79.54 Ex. VAT
5+ £11.68 Ex. VAT £14.02 Inc. VAT
These Q-Connect pocket envelopes are made from crisp and bright 90gsm paper and feature a easy self seal adhesive flap. The envelopes feature a large address window for printed letters and documents. These C5 envelopes measure 229 x 162mm and are des..
Free delivery over £30
Free delivery over £36
KF71463
302 In Stock
Q-Connect C5 Window Envelopes 100gsm Self Seal White (Pack of 500) 9007500
From £16.22 Inc. VAT
From £13.52 Ex. VAT
Save 82%
RRP £89.96 Inc. VAT
RRP £74.97 Ex. VAT
5+ £12.67 Ex. VAT £15.20 Inc. VAT
These Q-Connect pocket envelopes are made from crisp and bright 100gsm paper and feature a easy self seal adhesive flap. The envelopes feature a large address window for printed letters and documents. These C5 envelopes measure 229 x 162mm and are de..
Free delivery over £30
Free delivery over £36
KF71466
Out of stock
Q-Connect C5 Envelopes 100gsm Window Peel and Seal White (Pack of 500) 1P53
From £17.94 Inc. VAT
From £14.95 Ex. VAT
Save 76%
RRP £73.85 Inc. VAT
RRP £61.54 Ex. VAT
5+ £14.00 Ex. VAT £16.80 Inc. VAT
Ideal for everyday use, these Q-Connect envelopes are made from quality 100gsm white paper and feature an easy to use, secure peel and seal closure, and convenient address window measuring 45 x 90mm. The C5 envelopes are suitable for an A4 sheet fold..
Free delivery over £30
Free delivery over £36
KF03290
619 In Stock
Q-Connect Pocket C5 Window Envelopes 115gsm Manilla Peel and Seal (Pack of 500) KF97370
From £18.34 Inc. VAT
From £15.28 Ex. VAT
Save 61%
RRP £47.50 Inc. VAT
RRP £39.58 Ex. VAT
5+ £14.06 Ex. VAT £16.87 Inc. VAT
Ideal for everyday use, these environmentally friendly Q-Connect pocket envelopes are made from 85% recycled 115gsm paper. The envelopes feature an easy to use, secure peel and seal closure, and convenient address window measuring 90 x 45mm. The C5 e..
Free delivery over £30
Free delivery over £36
KF97370
37 In Stock
Q-Connect Machine Envelope 162x238mm Window 80gsm Gummed White Pack of 500 KF71434
From £16.58 Inc. VAT
From £13.82 Ex. VAT
Save 77%
RRP £72.60 Inc. VAT
RRP £60.50 Ex. VAT
5+ £13.38 Ex. VAT £16.06 Inc. VAT
10+ £12.77 Ex. VAT £15.32 Inc. VAT
Suitable for use in mailing machines, these Q-Connect wallet envelopes are made from strong, lightweight 80gsm paper with a gummed closure and convenient address window measuring 45 x 90mm. Ideal for high volume mailing needs, these oversized C5 enve..
Free delivery over £30
Free delivery over £36
KF71434
Out of stock
Basildon Bond C5 Window Envelopes 120gsm Peel and Seal White J80119 Garden Voucher Prize Draw
From £36.78 Inc. VAT
From £30.65 Ex. VAT
Save 41%
RRP £62.80 Inc. VAT
RRP £52.33 Ex. VAT
These environmentally friendly Basildon Bond envelopes are made from smooth, white, 100% recycled 120gsm paper. With a simple and secure peel and seal closure, these envelopes also feature a convenient address window made from 100% biodegradable film..
Free delivery
Free delivery
JDJ80119
96 In Stock
Evolve Recycled C5 Window Envelopes Self Seal 100gsm White (Pack of 500) RD7084
From £27.73 Inc. VAT
From £23.11 Ex. VAT
Save 48%
RRP £53.29 Inc. VAT
RRP £44.41 Ex. VAT
These environmentally friendly Evolve pocket envelopes are made from quality 100% recycled 100gsm paper. The C5 envelopes feature a convenient address window measuring 45 x 90mm and a simple self seal closure. Suitable for A4 sheets folded once or un..
Free delivery over £30
Free delivery over £36
BLK93003
133 In Stock
New Guardian C5 Window Envelopes 130gsm Manilla Peel and Seal (Pack of 250) F26639
From £22.32 Inc. VAT
From £18.60 Ex. VAT
Save 41%
RRP £38.03 Inc. VAT
RRP £31.69 Ex. VAT
These New Guardian envelopes provide superior protection and strength with durable, heavyweight 130gsm paper. These C5 envelopes feature an extra strong Power-Tac peel and seal closure with an easy open tear strip and convenient address window measur..
Free delivery over £30
Free delivery over £36
JDF26639
31 In Stock
New Guardian C5 Window Envelopes 130gsm Manilla Self Seal (Pack of 250) A23013
From £20.11 Inc. VAT
From £16.76 Ex. VAT
Save 42%
RRP £34.84 Inc. VAT
RRP £29.03 Ex. VAT
These New Guardian envelopes provide superior protection and strength with durable, heavyweight 130gsm paper. Suitable for A4 documents folded once or unfolded A5 documents, the C5 envelopes feature a simple self seal closure and convenient address w..
Free delivery over £30
Free delivery over £36
JDA23013
33 In Stock
Plus Fabric C5 Window Envelopes 110gsm Peel and Seal White (Pack of 500) E24970
From £50.39 Inc. VAT
From £41.99 Ex. VAT
Save 44%
RRP £90.24 Inc. VAT
RRP £75.20 Ex. VAT
These Plus Fabric envelopes feature durable 110gsm bright white paper and a simple peel and seal closure with Power-Tac adhesion for a quick, strong seal. The envelopes also feature a convenient easy open tear strip and address window measuring 100 x..
Free delivery
Free delivery
JDE24970
39 In Stock
Plus Fabric C5 Window Envelopes Self Seal 110gsm White (Pack of 500) C26870
From £46.14 Inc. VAT
From £38.45 Ex. VAT
Save 44%
RRP £82.58 Inc. VAT
RRP £68.82 Ex. VAT
These Plus Fabric envelopes feature durable 110gsm bright white paper and a simple self seal closure for ease of use. The envelopes also feature a convenient address window measuring 100 x 40mm. These C5 envelopes are suitable for unfolded A5 documen..
Free delivery
Free delivery
JDC26870
106 In Stock
Postmaster Envelope 162x238mm High Window 90gsm Gummed White (Pack of 500) A29984
From £44.28 Inc. VAT
From £36.90 Ex. VAT
Save 45%
RRP £80.41 Inc. VAT
RRP £67.01 Ex. VAT
Made from bright 90gsm white paper, Postmaster envelopes have been designed for, and tested on, all known makes of mailing machine, from desktop to full scale. They feature an oversized format for easier insertion of letters and a gummed flap designe..
Free delivery
Free delivery
JDA29984
Out of stock
Postmaster Envelope Low Window 162x238mm 80gsm Gummed Manilla (Pack of 500) F24756
From £36.12 Inc. VAT
From £30.10 Ex. VAT
Save 45%
RRP £65.60 Inc. VAT
RRP £54.67 Ex. VAT
Ideal for any size of mailing machine, from desktop to full scale, Postmaster envelopes feature an oversized format for easier insertion of letters and a gummed flap designed for automatic sealing. The envelopes are made from strong, lightweight 80gs..
Free delivery
Free delivery
JDF24756
14 In Stock
Showing 1 to 16 of 16 (1 Pages)

C5 Window Envelopes (A5) – 229mm x 162mm

C5 Window Envelopes measure 229mm x 162mm and are sometimes referred to as A5 window envelopes. They are one of our most popular envelopes as the window allows the user to display the recipient’s postal address without the need for an address label.

We can supply C5 window envelopes in a variety of weights, colours, seal types and pack sizes both with and without a window. We also stock C5 envelopes from industry leading manufactures including Basildon Bond, Evolve, Postmaster, New Guardian and Plus Fabric amongst others. We also stock our own brand Q Connect C5 Window Envelopes which provide a high quality low cost alternative to the other brands we supply.

These envelopes are suitable for an A4 sheet folded once or an unfolded A5 sheet. They are also classed by Royal Mail as a small letter as long as the thickness is less than 5mm and the overall weight is less than 100g making it a great choice for controlling your postage costs.

01452 888 186
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