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We will be closing for a short break over the Christmas period from midday 22nd December to 2nd January Please note that due to heavy demands during December we cannot guarantee next day delivery

Gusset Envelopes

We have an ever growing range of gusset envelopes for sending bulky mail such as brochures, catalogues or information pages, designed to allow more room for fitting in larger than normal postal items. 

Available in a range of colours, sizes, thickness and gussett depth, we would have the ideal envelope for your need, however unique. If you need bulk quantities please call us today.

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229×162×25mm - Manilla Gusset Envelopes - 120gsm - Non Window - Peel & Seal

229×162×25mm - Manilla Gusset Envelopes - 120gsm - Non Window - Peel & Seal

Box of 125 £16.49 INC VAT (£13.74 EX VAT)
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254 x 178 x 25 - Manilla Gusset Envelopes - 120gsm - Non Window - Peel & Seal

254 x 178 x 25 - Manilla Gusset Envelopes - 120gsm - Non Window - Peel & Seal

Box of 125 £18.05 INC VAT (£15.04 EX VAT)
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C4 - Manilla Gusset Envelopes - 130gsm - Non Window - Peel & Seal

C4 - Manilla Gusset Envelopes - 130gsm - Non Window - Peel & Seal

Box of 125 £18.36 INC VAT (£15.30 EX VAT)
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C5 - White Gusset Envelopes - 120gsm - Non Window - Peel & Seal

C5 - White Gusset Envelopes - 120gsm - Non Window - Peel & Seal

Box of 125 £18.38 INC VAT (£15.32 EX VAT)
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B4 - Tear Resistant White Gusset Envelopes - 125gsm - Non Window - Peel and Seal

B4 - Tear Resistant White Gusset Envelopes - 125gsm - Non Window - Peel and Seal

Box of 20 £18.53 INC VAT (£15.44 EX VAT)
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C4 - White Gusset Envelopes - 140gsm - Non Window - Peel & Seal

C4 - White Gusset Envelopes - 140gsm - Non Window - Peel & Seal

Box of 125 £20.21 INC VAT (£16.84 EX VAT)
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C4 - White Gusset Envelopes - 140gsm - Window - Peel & Seal

C4 - White Gusset Envelopes - 140gsm - Window - Peel & Seal

Box of 125 £20.92 INC VAT (£17.43 EX VAT)
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254 x 178 - White Gusset Envelopes - 120gsm - Non Window - Peel & Seal

254 x 178 - White Gusset Envelopes - 120gsm - Non Window - Peel & Seal

Box of 125 £21.26 INC VAT (£17.72 EX VAT)
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305 x 250 - Manilla Gusset Envelopes - 140gsm - Non Window - Peel & Seal

305 x 250 - Manilla Gusset Envelopes - 140gsm - Non Window - Peel & Seal

Box of 125 £21.31 INC VAT (£17.76 EX VAT)
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B4 - Manilla Gusset Envelopes - 140gsm - Non Window - Peel & Seal

B4 - Manilla Gusset Envelopes - 140gsm - Non Window - Peel & Seal

Box of 125 £21.72 INC VAT (£18.10 EX VAT)
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C4 - Manilla Tear Resistant Envelopes - 130gsm - Window - Peel & Seal

C4 - Manilla Tear Resistant Envelopes - 130gsm - Window - Peel & Seal

Box of 125 £22.15 INC VAT (£18.46 EX VAT)
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C5 - White Gusset Envelopes - 120gsm - Window - Peel & Seal

C5 - White Gusset Envelopes - 120gsm - Window - Peel & Seal

Box of 125 £23.14 INC VAT (£19.28 EX VAT)
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381×254×30mm - White Gusset Envelopes - 135gsm - Non Window - Peel and Seal

381×254×30mm - White Gusset Envelopes - 135gsm - Non Window - Peel and Seal

Box of 20 £24.00 INC VAT (£20.00 EX VAT)
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C4 - Manilla Gusset Envelopes - 130gsm - Non Window - Peel and Seal

C4 - Manilla Gusset Envelopes - 130gsm - Non Window - Peel and Seal

Box of 120 £24.14 INC VAT (£20.12 EX VAT)
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B4 - White Gusset Envelopes - 140gsm - Non Window - Peel & Seal

B4 - White Gusset Envelopes - 140gsm - Non Window - Peel & Seal

Box of 125 £24.24 INC VAT (£20.20 EX VAT)
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C4 - White Gusset Envelopes - 150gsm - Window - Peel and Seal

C4 - White Gusset Envelopes - 150gsm - Window - Peel and Seal

Box of 125 £25.36 INC VAT (£21.13 EX VAT)
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381 x 254mm x 25m - Manilla Gusset Envelopes - 140gsm - Non Window - Peel & Seal

381 x 254mm x 25m - Manilla Gusset Envelopes - 140gsm - Non Window - Peel & Seal

Box of 125 £25.54 INC VAT (£21.28 EX VAT)
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B4 - Manilla Gusset Envelopes - 140gsm - Non Window - Peel & Seal

B4 - Manilla Gusset Envelopes - 140gsm - Non Window - Peel & Seal

Box of 125 £25.84 INC VAT (£21.53 EX VAT)
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Recycled C4 - White Gusset Envelopes - 150gsm - Non Window - Peel & Seal

Recycled C4 - White Gusset Envelopes - 150gsm - Non Window - Peel & Seal

Box of 125 £26.03 INC VAT (£21.69 EX VAT)
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381 x 254mm - White Gusset Envelopes - 140gsm - Non Window - Peel & Seal

381 x 254mm - White Gusset Envelopes - 140gsm - Non Window - Peel & Seal

Box of 125 £28.19 INC VAT (£23.49 EX VAT)
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C5 - Ultra White Wove Gusset Envelopes - 140gsm - Non Window - Peel and Seal

C5 - Ultra White Wove Gusset Envelopes - 140gsm - Non Window - Peel and Seal

Box of 125 £28.56 INC VAT (£23.80 EX VAT)
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C5 - White Eco Cushion Padded Gusset Envelopes - 140gsm - Peel and Seal

C5 - White Eco Cushion Padded Gusset Envelopes - 140gsm - Peel and Seal

Box of 100 £30.19 INC VAT (£25.16 EX VAT)
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C4 - Ultra White Wove Gusset Envelopes - 140gsm - Non Window - Peel and Seal

C4 - Ultra White Wove Gusset Envelopes - 140gsm - Non Window - Peel and Seal

Box of 100 £31.97 INC VAT (£26.64 EX VAT)
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C5 - Cream Wove Gusset Envelopes - 140gsm - Non Window - Peel & Seal

C5 - Cream Wove Gusset Envelopes - 140gsm - Non Window - Peel & Seal

Box of 125 £33.12 INC VAT (£27.60 EX VAT)
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C5 - Ultra White Wove Gusset Envelopes - 140gsm - Window - Peel and Seal

C5 - Ultra White Wove Gusset Envelopes - 140gsm - Window - Peel and Seal

Box of 125 £33.12 INC VAT (£27.60 EX VAT)
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406 x 305mm - Manilla Gusset Envelopes - 140gsm - Non Window - Peel & Seal

406 x 305mm - Manilla Gusset Envelopes - 140gsm - Non Window - Peel & Seal

Box of 125 £34.66 INC VAT (£28.88 EX VAT)
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C4 - Ultra White Wove Gusset Envelopes - 140gsm - Window - Peel and Seal

C4 - Ultra White Wove Gusset Envelopes - 140gsm - Window - Peel and Seal

Box of 100 £35.33 INC VAT (£29.44 EX VAT)
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B4 - White Gusset Envelopes - 140gsm - Window - Peel & Seal

B4 - White Gusset Envelopes - 140gsm - Window - Peel & Seal

Box of 125 £35.52 INC VAT (£29.60 EX VAT)
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C5 - Cream Wove Gusset Envelopes - 140gsm - Window - Peel & Seal

C5 - Cream Wove Gusset Envelopes - 140gsm - Window - Peel & Seal

Box of 125 £35.64 INC VAT (£29.70 EX VAT)
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C4 - Manilla Board Backed Gusset Envelopes - 120gsm - Non Window - Peel & Seal

C4 - Manilla Board Backed Gusset Envelopes - 120gsm - Non Window - Peel & Seal

Box of 125 £37.20 INC VAT (£31.00 EX VAT)
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C4 - Cream Manilla Gusset Envelopes - 140gsm - Non Window - Peel & Seal

C4 - Cream Manilla Gusset Envelopes - 140gsm - Non Window - Peel & Seal

Box of 100 £38.30 INC VAT (£31.92 EX VAT)
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C5 - Pillar Box Red Gusset Envelopes - 140gsm - Non Window -  Peel and Seal

C5 - Pillar Box Red Gusset Envelopes - 140gsm - Non Window - Peel and Seal

Box of 125 £38.88 INC VAT (£32.40 EX VAT)
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C4 - Manilla Board Back Gusset Envelopes - 120gsm - Window - Peel & Seal

C4 - Manilla Board Back Gusset Envelopes - 120gsm - Window - Peel & Seal

Box of 125 £39.60 INC VAT (£33.00 EX VAT)
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C5 - Pillar Box Red Gusset Envelopes - 140gsm - Window -  Peel and Seal

C5 - Pillar Box Red Gusset Envelopes - 140gsm - Window - Peel and Seal

Box of 125 £41.04 INC VAT (£34.20 EX VAT)
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B4 - White Eco Cushion Padded Gusset Envelopes - 140gsm - Peel and Seal

B4 - White Eco Cushion Padded Gusset Envelopes - 140gsm - Peel and Seal

Box of 100 £41.28 INC VAT (£34.40 EX VAT)
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C4 - White Eco Cushion Padded Gusset Envelopes - 140gsm - Peel and Seal

C4 - White Eco Cushion Padded Gusset Envelopes - 140gsm - Peel and Seal

Box of 100 £41.47 INC VAT (£34.56 EX VAT)
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C4 -  Cream Manilla Gusset Envelopes - 140gsm -  Window - Peel and Seal

C4 - Cream Manilla Gusset Envelopes - 140gsm - Window - Peel and Seal

Box of 100 £43.20 INC VAT (£36.00 EX VAT)
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C4 - Cream Wove Gusset Envelopes - 140gsm - Non Window - Peel & Seal

C4 - Cream Wove Gusset Envelopes - 140gsm - Non Window - Peel & Seal

Box of 125 £44.76 INC VAT (£37.30 EX VAT)
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C4 - White Board Back Gusset Envelopes - 120gsm - Non Window - Peel & Seal

C4 - White Board Back Gusset Envelopes - 120gsm - Non Window - Peel & Seal

Box of 125 £45.36 INC VAT (£37.80 EX VAT)
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C5 - Jet Black Gusset Envelopes - 140gsm - Non Window - Peel & Seal

C5 - Jet Black Gusset Envelopes - 140gsm - Non Window - Peel & Seal

Box of 125 £45.60 INC VAT (£38.00 EX VAT)
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381×254×25mm - Cream Manilla Gusset Envelopes - 140gsm - Peel and Seal

381×254×25mm - Cream Manilla Gusset Envelopes - 140gsm - Peel and Seal

Box of 100 £46.08 INC VAT (£38.40 EX VAT)
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C5 - Jet Black Gusset Envelopes - 140gsm - Window - Peel & Seal

C5 - Jet Black Gusset Envelopes - 140gsm - Window - Peel & Seal

Box of 125 £47.76 INC VAT (£39.80 EX VAT)
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C4 - Cream Wove Gusset Envelopes - 140gsm - Window - Peel & Seal

C4 - Cream Wove Gusset Envelopes - 140gsm - Window - Peel & Seal

Box of 125 £47.76 INC VAT (£39.80 EX VAT)
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C4 - White Board Backed Gusset Envelopes - 120gsm - Window - Peel & Seal

C4 - White Board Backed Gusset Envelopes - 120gsm - Window - Peel & Seal

Box of 125 £47.76 INC VAT (£39.80 EX VAT)
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C4 - Pillar Box Red Gusset Envelopes - 140gsm - Non Window - Peel & Seal

C4 - Pillar Box Red Gusset Envelopes - 140gsm - Non Window - Peel & Seal

Box of 125 £50.40 INC VAT (£42.00 EX VAT)
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C4 - Pumpkin Orange Gusset Pocket - Non Window - Peel and Seal

C4 - Pumpkin Orange Gusset Pocket - Non Window - Peel and Seal

Box of 125 £50.40 INC VAT (£42.00 EX VAT)
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B4 - Storm Grey Gusset Envelopes - 140gsm - Non Window - Peel and Seal

B4 - Storm Grey Gusset Envelopes - 140gsm - Non Window - Peel and Seal

Box of 125 £51.72 INC VAT (£43.10 EX VAT)
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C4 - Pillar Box Red Gusset Envelopes - 140gsm - Window - Peel & Seal

C4 - Pillar Box Red Gusset Envelopes - 140gsm - Window - Peel & Seal

Box of 125 £53.28 INC VAT (£44.40 EX VAT)
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C4 - Jet Black Gusset Envelopes - 140gsm - Non Window - Peel & Seal

C4 - Jet Black Gusset Envelopes - 140gsm - Non Window - Peel & Seal

Box of 125 £62.40 INC VAT (£52.00 EX VAT)
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406×305×30mm - Cream Manilla Gusset Envelopes - 140gsm - Peel and Seal

406×305×30mm - Cream Manilla Gusset Envelopes - 140gsm - Peel and Seal

Box of 100 £62.40 INC VAT (£52.00 EX VAT)
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381 x 254mm x 30mm - White Gusset Envelopes - 125gsm - Non Window - Peel & Seal

381 x 254mm x 30mm - White Gusset Envelopes - 125gsm - Non Window - Peel & Seal

Box of 125 £64.32 INC VAT (£53.60 EX VAT)
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C4 - Jet Black Gusset Envelopes - 140gsm - Window - Peel & Seal

C4 - Jet Black Gusset Envelopes - 140gsm - Window - Peel & Seal

Box of 125 £64.80 INC VAT (£54.00 EX VAT)
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C4 - White Gusset Tear Resistant Envelopes  - 125gsm - Non Window - Peel & Seal

C4 - White Gusset Tear Resistant Envelopes - 125gsm - Non Window - Peel & Seal

Box of 100 £81.60 INC VAT (£68.00 EX VAT)
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C3 - Manilla Gusset Envelopes - 140gsm - Non Window - Peel and Seal

C3 - Manilla Gusset Envelopes - 140gsm - Non Window - Peel and Seal

Box of 125 £84.76 INC VAT (£70.63 EX VAT)
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Why Choose Express Envelopes?

Express Envelopes are a premier online retailer of envelopes and copier paper with a huge range of over 1000 stock items. Order before 2pm you'll have it the next business day (excludes small packs and samples) , it's as simple as that.
Low Prices
Next Day Delivery
Large Stock

Express Envelopes is rated 4.80 stars by Reviews.co.uk based on 56 merchant reviews

4.80 / 5 Rating
56 Reviews
There was a delay in receiving the envelopes from Express, but once I phoned and spoke to the lovely lady, she helped me out. In fact, the carrier had delivered them to the wrong address but the lady at express sorted it all out for me. Thank you Marie!
Very good quality self-seal product - delivered before 10.30 am the next day. excellent service, Thanks, David
I had a last minute invitation to send out. Express Envelopes had the right envelope for the job and they arrived next day. Perfect.