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Square Envelopes

We are pleased to provide an extensive range of square envelopes, available in multiple sizes, colours and GSM to suit your requirements. 

Our square envelopes are built using the best quality paper and glue available meaning these will inevitably provide the quality you deserve. With an array of colours available also this means your post will stand out from the competition, or even more on brand!

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170x170mm - White Commercial Envelopes - 100gsm - Non Window - Peel & Seal

170x170mm - White Commercial Envelopes - 100gsm - Non Window - Peel & Seal

Box of 500 £34.06 INC VAT (£28.38 EX VAT)
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111x111mm - White Invitation Envelopes - 90gsm - Non Window - Gummed

111x111mm - White Invitation Envelopes - 90gsm - Non Window - Gummed

Box of 1000 £34.92 INC VAT (£29.10 EX VAT)
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220 x 220mm - White Mailing Envelopes - 100gsm - Window - Gummed

220 x 220mm - White Mailing Envelopes - 100gsm - Window - Gummed

Box of 500 £34.98 INC VAT (£29.15 EX VAT)
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164mmX164mm - White All Board Envelopes - 350gsm - Rip Strip/ Peel & Seal

164mmX164mm - White All Board Envelopes - 350gsm - Rip Strip/ Peel & Seal

Box of 200 £36.72 INC VAT (£30.60 EX VAT)
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155×155mm - Red Banker Invitation Envelopes - 100gsm - Gummed

155×155mm - Red Banker Invitation Envelopes - 100gsm - Gummed

Box of 500 £36.90 INC VAT (£30.75 EX VAT)
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165x165mm - CD Metallic Gold Padded Bubble Envelopes - Peel and Seal

165x165mm - CD Metallic Gold Padded Bubble Envelopes - Peel and Seal

Box of 100 £38.03 INC VAT (£31.69 EX VAT)
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165×165mm - CD Victory Blue Padded Bubble Envelopes - Peel and Seal

165×165mm - CD Victory Blue Padded Bubble Envelopes - Peel and Seal

Box of 100 £38.03 INC VAT (£31.69 EX VAT)
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165x165mm - Pumpkin Orange Bubble Padded Envelopes - Peel and Seal

165x165mm - Pumpkin Orange Bubble Padded Envelopes - Peel and Seal

Box of 100 £38.03 INC VAT (£31.69 EX VAT)
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240x240mm -  White Commercial Envelopes - 100gsm - Window - Gummed

240x240mm - White Commercial Envelopes - 100gsm - Window - Gummed

Box of 250 £38.26 INC VAT (£31.88 EX VAT)
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249×249mm - White All Board Envelopes - 350gsm - Rip Strip/Peel and Seal

249×249mm - White All Board Envelopes - 350gsm - Rip Strip/Peel and Seal

Box of 100 £38.40 INC VAT (£32.00 EX VAT)
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165×165mm - CD Cotton Blue Padded Bubble Envelopes - Peel and Seal

165×165mm - CD Cotton Blue Padded Bubble Envelopes - Peel and Seal

Box of 100 £38.80 INC VAT (£32.33 EX VAT)
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165mmx165mm - CD Baby Pink Bubble Padded Envelopes - Peel and Seal

165mmx165mm - CD Baby Pink Bubble Padded Envelopes - Peel and Seal

Box of 100 £38.80 INC VAT (£32.33 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 4.81 stars by Reviews.co.uk based on 57 merchant reviews

4.81 / 5 Rating
57 Reviews
Ordered from France and delivery only took 2 working days. Envelopes good quality for the price.
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