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Envelope Size
C3 (3) C4 (10) C4 Plus (1) C5 (5) Other (16)
Gusset Size
25 mm (13) 40 mm (3) 50 mm (7) 60 mm (1) 80 mm (6) 100 mm (4) 120 mm (1)
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Plain/Window
Plain (33) Window (2)
Colour
Brown (Manilla) (28) White (7)
Envelope Weight
80 gsm (1) 90 gsm (2) 95 gsm (1) 100 gsm (3) 110 gsm (6) 120 gsm (12) 130 gsm (9) 140 gsm (1)
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Pack Quantity
25 (1) 50 (5) 100 (17) 125 (5) 200 (3) 250 (4)
Brand
Blake (4) Bong (6) e-Green (3) Everyday (5) New Guardian (5) Plus Fabric (2) Q-Connect (10)
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Envelope Dimensions
162 x 229mm (C5) (5) 180 x 235mm (1) 229 x 324mm (C4) (10) 250 x 360mm (1) 305 x 254mm (1) 350 x 248mm (1) 350 x 250mm (C4+) (1) 353 x 250mm (1) 360 x 465mm (1) 380 x 280mm (1) 381 x 254mm (2) 406 x 305mm (1) 415 x 495mm (1) 430 x 320mm (1) 450 x 350mm (C3) (3) 480 x 380mm (1) 500 x 400mm (1) 570 x 450mm (1) 580 x 465mm (1)
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Material Strength
Heavyweight (25) Mediumweight (10)
In Stock
No (5) Yes (30)
Recycled
No (30) Yes (5)
Price
£10 - £20 (2) £20 - £50 (14) £50 - £100 (18) £100 - £250 (1)
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Q-Connect C4 Envelopes Gusset Peel and Seal 120gsm White (125 Pack)
Envelope Dimensions
229 x 324mm (C4)
Q-Connect C4 Envelopes Gusset Peel and Seal 120gsm White (125 Pack)
£29.99£35.99 ex VATinc VAT
In stock
Next working day delivery.
New Guardian Heavyweight C4 Gusset Envelopes, 25mm Gusset, 130gsm, Peel & Seal, Manilla, Pack of 100
Envelope Dimensions
229 x 324mm (C4)
New Guardian Heavyweight C4 Gusset Envelopes 25mm Gusset, 130gsm, Peel & Seal, Manilla, Pack of 100
£57.99£69.59 ex VATinc VAT
72 in stock
FREE Next working day delivery.
New Guardian Heavyweight C4 Gusset Envelopes, 25mm Gusset, 130gsm, Peel & Seal, Manilla, Pack of 25
Envelope Dimensions
229 x 324mm (C4)
New Guardian Heavyweight C4 Gusset Envelopes 25mm Gusset, 130gsm, Peel & Seal, Manilla, Pack of 25
£25.99£31.19 ex VATinc VAT
4 in stock
Next working day delivery.
Q-Connect C4 Padded Gusset Envelopes, 50mm, Peel and Seal, White (Pack of 100)
Envelope Dimensions
229 x 324mm (C4)
Q-Connect C4 Padded Gusset Envelopes 50mm, Peel and Seal, White (Pack of 100)
£56.99£68.39 ex VATinc VAT
17 in stock
FREE Next working day delivery.
Q-Connect Envelope Gusset 305x254x25mm Peel and Seal 120gsm Manilla (Pack of 100)
Envelope Dimensions
305 x 254mm
Q-Connect Envelope Gusset 305x254x25mm Peel and Seal 120gsm Manilla (Pack of 100)
£35.99£43.19 ex VATinc VAT
23 in stock
Next working day delivery.
Plus Fabric C4 Gusset Envelopes, 25mm Gusset, Peel & Seal, White, Pack of 100
Envelope Dimensions
229 x 324mm (C4)
Plus Fabric C4 Gusset Envelopes 25mm Gusset, Peel & Seal, White, Pack of 100
£66.99£80.39 ex VATinc VAT
26 in stock
FREE Next working day delivery.
Q-Connect Padded Gusset Envelopes C5 229x162x50mm Peel and Seal White (100 Pack)
Envelope Dimensions
162 x 229mm (C5)
Q-Connect Padded Gusset Envelopes C5 229x162x50mm Peel and Seal White (100 Pack)
£45.99£55.19 ex VATinc VAT
41 in stock
Next working day delivery.
E-Green C4 Plus 50mm Gusset Peel and Seal Mailer (Pack of 250)
Envelope Dimensions
229 x 324mm (C4)
E-Green C4 Plus 50mm Gusset Peel and Seal Mailer (Pack of 250)
£66.99£80.39 ex VATinc VAT
18 in stock
FREE Next working day delivery.
New Guardian Armour Gusset Envelopes, 380x280mm, 50mm Gusset, Peel & Seal, Manilla, Pack of 100
Envelope Dimensions
380 x 280mm
New Guardian Armour Gusset Envelopes 380x280mm, 50mm Gusset, Peel & Seal, Manilla, Pack of 100
£114.00£136.80 ex VATinc VAT
9 in stock
FREE Next working day delivery.
Q-Connect Envelope Gusset 381x254x25mm Peel and Seal 120gsm Manilla (Pack of 100)
Envelope Dimensions
381 x 254mm
Q-Connect Envelope Gusset 381x254x25mm Peel and Seal 120gsm Manilla (Pack of 100)
£33.99£40.79 ex VATinc VAT
In stock
Next working day delivery.
Plus Fabric C4 Gusset Envelopes with Window, 25mm Gusset, Peel & Seal, White, Pack of 100
Envelope Dimensions
229 x 324mm (C4)
Plus Fabric C4 Gusset Envelopes with Window 25mm Gusset, Peel & Seal, White, Pack of 100
£69.99£83.99 ex VATinc VAT
39 in stock
FREE Next working day delivery.
New Guardian Heavyweight Gusset Envelopes, 381x254mm, 25mm Gusset, Peel & Seal, Manilla, Pack of 100
Envelope Dimensions
381 x 254mm
New Guardian Heavyweight Gusset Envelopes 381x254mm, 25mm Gusset, Peel & Seal, Manilla, Pack of 100
£64.99£77.99 ex VATinc VAT
14 in stock
FREE Next working day delivery.
Kraft Mailing Bag Gusset 360x465x80mm/90mm Lip (Pack of 50)
Envelope Dimensions
360 x 465mm
Kraft Mailing Bag Gusset 360x465x80mm/90mm Lip (Pack of 50)
£24.99£29.99 ex VATinc VAT
7 in stock
Next working day delivery.
Q-Connect Gusset Envelope 352x250x25mm Manilla B4 (Pack of 125)
Envelope Dimensions
350 x 248mm
Q-Connect Gusset Envelope 352x250x25mm Manilla B4 (Pack of 125)
£47.99£57.59 ex VATinc VAT
24 in stock
Next working day delivery.
E-Green C3 Plus 80mm Gusset Peel and Seal Mailer (Pack of 200)
Envelope Dimensions
450 x 350mm (C3)
E-Green C3 Plus 80mm Gusset Peel and Seal Mailer (Pack of 200)
£94.99£113.99 ex VATinc VAT
12 in stock
FREE Next working day delivery.
Kraft Mailing Bag Gusset 250x360x60mm/90mm Lip (Pack of 50)
Envelope Dimensions
250 x 360mm
Kraft Mailing Bag Gusset 250x360x60mm/90mm Lip (Pack of 50)
£19.89£23.87 ex VATinc VAT
7 in stock
Next working day delivery.
Q-Connect C5 Envelopes Gusset Peel and Seal 120gsm White (125 Pack)
Envelope Dimensions
162 x 229mm (C5)
Q-Connect C5 Envelopes Gusset Peel and Seal 120gsm White (125 Pack)
£28.99£34.79 ex VATinc VAT
15 in stock
Next working day delivery.
eGreen Packaging By Bong C4+ Ecommerce Mailing Envelopes, Double Peel and Sea,l 50mm Gusset, 110gsm, 350x250mm, Manilla, Pack of 250
Envelope Dimensions
350 x 250mm (C4+)
eGreen Packaging By Bong C4+ Ecommerce Mailing Envelopes Double Peel and Sea,l 50mm Gusset, 110gsm, 350x250mm, Manilla, Pack of 250
£63.99£76.79 ex VATinc VAT
3 in stock
FREE Next working day delivery.
Kraft Mailing Bag Gusset 180x235x80mm/85mm Lip (Pack of 50)
Envelope Dimensions
180 x 235mm
Kraft Mailing Bag Gusset 180x235x80mm/85mm Lip (Pack of 50)
£16.79£20.15 ex VATinc VAT
51 in stock
Next working day delivery.
Kraft Mailing Bag Gusset 580x465x100mm/100mm Lip (Pack of 50)
Envelope Dimensions
580 x 465mm
Kraft Mailing Bag Gusset 580x465x100mm/100mm Lip (Pack of 50)
£33.99£40.79 ex VATinc VAT
92 in stock
Next working day delivery.
Kraft Mailing Bag Gusset 415x495x100mm/100mm Lip (Pack of 50)
Envelope Dimensions
415 x 495mm
Kraft Mailing Bag Gusset 415x495x100mm/100mm Lip (Pack of 50)
£27.99£33.59 ex VATinc VAT
In stock
Next working day delivery.
Blake Vita Kraft Mailing Bag Envelopes, Peel and Seal, Natural Brown, 130gsm, 229mm x 162mm x 40mm, Pack of 125
Envelope Dimensions
162 x 229mm (C5)
Blake Vita Kraft Mailing Bag Envelopes Peel and Seal, Natural Brown, 130gsm, 229mm x 162mm x 40mm, Pack of 125
£46.99£56.39 ex VATinc VAT
5 in stock
Next working day delivery.
Blake Vita Kraft Mailing Bag Envelopes, Peel and Seal, Natural Brown, 130gsm, 353mm x 250mm x 50mm, Pack of 100
Envelope Dimensions
353 x 250mm
Blake Vita Kraft Mailing Bag Envelopes Peel and Seal, Natural Brown, 130gsm, 353mm x 250mm x 50mm, Pack of 100
£56.99£68.39 ex VATinc VAT
2 in stock
FREE Next working day delivery.
Blake Vita Kraft Mailing Bag Envelopes, Peel and Seal, Natural Brown, 130gsm, 430mm x 320mm x 80mm, Pack of 100
Envelope Dimensions
430 x 320mm
Blake Vita Kraft Mailing Bag Envelopes Peel and Seal, Natural Brown, 130gsm, 430mm x 320mm x 80mm, Pack of 100
£75.99£91.19 ex VATinc VAT
4 in stock
FREE Next working day delivery.
Blake Vita Kraft Mailing Bag Envelopes, Peel and Seal, Natural Brown, 130gsm, 480mm x 380mm x 80mm, Pack of 100
Envelope Dimensions
480 x 380mm
Blake Vita Kraft Mailing Bag Envelopes Peel and Seal, Natural Brown, 130gsm, 480mm x 380mm x 80mm, Pack of 100
£80.99£97.19 ex VATinc VAT
5 in stock
FREE Next working day delivery.
eGreen Packaging By Bong C3+ Ecommerce Mailing Envelopes, Double Peel and Seal, 80mm Gusset, 110gsm, 450x350mm, Manilla, Pack of 200
Envelope Dimensions
450 x 350mm (C3)
eGreen Packaging By Bong C3+ Ecommerce Mailing Envelopes Double Peel and Seal, 80mm Gusset, 110gsm, 450x350mm, Manilla, Pack of 200
£88.99£106.79 ex VATinc VAT
9 in stock
FREE Next working day delivery.
eGreen Packaging By Bong C5 Ecommerce Mailing Envelopes, Double Peel and Seal, 40mm Gusset, 110gsm, 229x162mm, Manilla Pack of 250
Envelope Dimensions
162 x 229mm (C5)
eGreen Packaging By Bong C5 Ecommerce Mailing Envelopes Double Peel and Seal, 40mm Gusset, 110gsm, 229x162mm, Manilla Pack of 250
£51.99£62.39 ex VATinc VAT
7 in stock
FREE Next working day delivery.
eGreen Packaging By Bong 500x400mm Ecommerce Mailing Envelopes, Double Peel and Seal, 100mm Gusset, 110gsm, Manilla, Pack of 100
Envelope Dimensions
500 x 400mm
eGreen Packaging By Bong 500x400mm Ecommerce Mailing Envelopes Double Peel and Seal, 100mm Gusset, 110gsm, Manilla, Pack of 100
£64.99£77.99 ex VATinc VAT
5 in stock
FREE Next working day delivery.
eGreen Packaging By Bong Ecommerce 570x450mm Mailing Envelopes, Double Peel and Seal, 100mm Gusset, 110gsm, Manilla, Pack of 100
Envelope Dimensions
570 x 450mm
eGreen Packaging By Bong Ecommerce 570x450mm Mailing Envelopes Double Peel and Seal, 100mm Gusset, 110gsm, Manilla, Pack of 100
£67.99£81.59 ex VATinc VAT
5 in stock
FREE Next working day delivery.
eGreen Packaging By Bong C3+ Ecommerce Mailing Envelopes, Double Peel and Seal, 120mm Gusset, 110gsm, 450x350mm, Manilla, Pack of 200
Envelope Dimensions
450 x 350mm (C3)
eGreen Packaging By Bong C3+ Ecommerce Mailing Envelopes Double Peel and Seal, 120mm Gusset, 110gsm, 450x350mm, Manilla, Pack of 200
£92.99£111.59 ex VATinc VAT
6 in stock
FREE Next working day delivery.
Q-Connect Envelope Gusset 324x229x25mm Peel and Seal 120gsm Manilla (Pack of 100)
Envelope Dimensions
229 x 324mm (C4)
Q-Connect Envelope Gusset 324x229x25mm Peel and Seal 120gsm Manilla (Pack of 100)
£25.99£31.19 ex VATinc VAT
Out of stock
Expected within 1-2 weeks
Pre-order this item

You may order this item now and we will send it as soon as it's back in stock. We expect this to be within 1-2 weeks.

Q-Connect C4 Envelopes Window Gusset Peel and Seal 120gsm White (125 Pack)
Envelope Dimensions
229 x 324mm (C4)
Q-Connect C4 Envelopes Window Gusset Peel and Seal 120gsm White (125 Pack)
£30.99£37.19 ex VATinc VAT
Out of stock
Expected within 1-2 weeks
Pre-order this item

You may order this item now and we will send it as soon as it's back in stock. We expect this to be within 1-2 weeks.

E-Green C5 40mm Gusset Peel and Seal Mailer (Pack of 250)
Envelope Dimensions
162 x 229mm (C5)
E-Green C5 40mm Gusset Peel and Seal Mailer (Pack of 250)
£52.99£63.59 ex VATinc VAT
Out of stock
Expected within 2-3 weeks
Pre-order this item

You may order this item now and we will send it as soon as it's back in stock. We expect this to be within 2-3 weeks.

Q-Connect Envelope Gusset 406x305x25mm Peel and Seal 120gsm Manilla (Pack of 100)
Envelope Dimensions
406 x 305mm
Q-Connect Envelope Gusset 406x305x25mm Peel and Seal 120gsm Manilla (Pack of 100)
£38.99£46.79 ex VATinc VAT
Out of stock
Expected within 3-4 weeks
Pre-order this item

You may order this item now and we will send it as soon as it's back in stock. We expect this to be within 3-4 weeks.

New Guardian Armour C4 Gusset Envelopes, 50mm Gusset, Peel & Seal, Manilla, Pack of 100
Envelope Dimensions
229 x 324mm (C4)
New Guardian Armour C4 Gusset Envelopes 50mm Gusset, Peel & Seal, Manilla, Pack of 100
£80.99£97.19 ex VATinc VAT
Out of stock
Expected within 1-2 weeks
Pre-order this item

You may order this item now and we will send it as soon as it's back in stock. We expect this to be within 1-2 weeks.

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Gusset Envelopes at Paperstone

A gusset is a piece of material sown into a garment to strengthen or enlarge it, as in gussets in tights. Gusseted envelopes are envelopes with expandable, ‘V’-shaped sides and reinforced gusset bottoms which maximise the available capacity. The paper thickness ranges from 115 to 155gsm. Gusset envelopes are thus strong envelopes with a large capacity, ideal for sending multi-page documents and other bulky items. Plain white or manilla, all gusset envelopes employ peel and seal closure.

Gusset envelope sizes

gusset envelope sizes

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