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Plain Envelopes

Plain envelopes for your business, office or home are a staple for anyones stationery cupboard. These envelopes (without window) are available in white, brown/buff, in addition to colours such as red, yellow, green, blue which are great for making your mail stand out. DL (220x110mm) are the most popular size and often referred to sas letter or invoice envelopes but other sizes such as C6, C5, C4 envelopes are all readily available too. 

Browse Window Envelopes

What size is my envelope?

226 products found
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Plus Fabric Envelopes PEFC Pocket Peel & Seal 120gsm C4 324x229mm White Ref K26739 [Pack 250]
Plus Fabric Envelopes PEFC Peel & Seal Gusset 120gsm 381x254x25mm White Ref H28866 [Pack 100]
Basildon Bond Envelopes FSC Pocket Recycled Peel & Seal 120gsm C5 229x162mm White Ref B80277 [Pack 50]
New Guardian Envelopes Mini Pack Peel & Seal Gusset 130gsm C4 324x229x25mm Manilla Ref F27666 [Pack 25]
5 Star Value Envelope C4 Pocket Self Seal 100gsm White [Pack 250]
5 Star Value Envelope DL Wallet Self Seal 80gsm White [Pack 1000]
5 Star Value Envelope C5 Pocket Self Seal 80gsm Plain Manilla [Pack 500]
5 Star Value Envelope C4 Pocket Self Seal 90gsm White [Pack 250]
5 Star Value Envelope C5 Pocket Self Seal 90gsm White [Pack 500]
5 Star Value Envelope C4 Gusset 25mm Peel and Seal 115gsm Manilla [Pack 125]
PremierTeam C4 Pocket Envelope Printed Security Interior Self-Seal 100gsm 324x229mm White [Pack 250]
PremierTeam Gusset Envelope Peel & Stick 25mm Gusset 140gsm 381x254mm Manilla [Box 125]
PremierTeam C4 Pocket Envelope Printed Security Interior Peel n Stick 115gsm 324x229mm White [Pack 250]
Blake PremiumPure C5 Recycled Peel & Seal White Envelopes (Pack of 50) RP83455
C5 Wallet Envelope Peel and Seal 120gsm Banana Yellow (Pack of 250) BLK93019
C5 Wallet Envelope Peel and Seal 130gsm Metallic Silver (Pack of 250) 312
Premium Envelopes Wove C4 Cream (Pack of 250) 61891
Premium Envelopes Wove C4 High White (Pack of 250) 35891
E-Green C5 40mm Gusset Peel and Seal Mailer (Pack of 250) 69112
Postpak C6 Peel and Seal Manilla 80gsm 20 Envelopes (Pack of 26) 9730813
Kraft Paper Mailing Bags with Twin Peel & Seal 180mm x 235mm + 80mm Gusset + 85mm Lip (Pack 50) - KMB180
Kraft Paper Mailing Bags with Twin Peel & Seal 250mm x 360mm + 60mm Gusset + 90mm Lip (Pack 50) - KMB250
Kraft Paper Mailing Bags with Twin Peel & Seal 360mm x 465mm + 80mm Gusset + 100mm Lip (Pack 50) - KMB360
Kraft Paper Mailing Bags with Twin Peel & Seal 415mm x 495mm + 100mm Gusset + 100mm Lip (Pack 50) - KMB415
Total 226 products
show per page
Search & Filter

Plain Envelopes

Plain envelopes for your business, office or home are a staple for anyones stationery cupboard. These envelopes (without window) are available in white, brown/buff, in addition to colours such as red, yellow, green, blue which are great for making your mail stand out. DL (220x110mm) are the most popular size and often referred to sas letter or invoice envelopes but other sizes such as C6, C5, C4 envelopes are all readily available too. 

Browse Window Envelopes

What size is my envelope?

226 products found
Sort by
Plus Fabric Envelopes PEFC Pocket Peel & Seal 120gsm C4 324x229mm White Ref K26739 [Pack 250]
Plus Fabric Envelopes PEFC Peel & Seal Gusset 120gsm 381x254x25mm White Ref H28866 [Pack 100]
Basildon Bond Envelopes FSC Pocket Recycled Peel & Seal 120gsm C5 229x162mm White Ref B80277 [Pack 50]
New Guardian Envelopes Mini Pack Peel & Seal Gusset 130gsm C4 324x229x25mm Manilla Ref F27666 [Pack 25]
5 Star Value Envelope C4 Pocket Self Seal 100gsm White [Pack 250]
5 Star Value Envelope DL Wallet Self Seal 80gsm White [Pack 1000]
5 Star Value Envelope C5 Pocket Self Seal 80gsm Plain Manilla [Pack 500]
5 Star Value Envelope C4 Pocket Self Seal 90gsm White [Pack 250]
5 Star Value Envelope C5 Pocket Self Seal 90gsm White [Pack 500]
5 Star Value Envelope C4 Gusset 25mm Peel and Seal 115gsm Manilla [Pack 125]
PremierTeam C4 Pocket Envelope Printed Security Interior Self-Seal 100gsm 324x229mm White [Pack 250]
PremierTeam Gusset Envelope Peel & Stick 25mm Gusset 140gsm 381x254mm Manilla [Box 125]
PremierTeam C4 Pocket Envelope Printed Security Interior Peel n Stick 115gsm 324x229mm White [Pack 250]
Blake PremiumPure C5 Recycled Peel & Seal White Envelopes (Pack of 50) RP83455
C5 Wallet Envelope Peel and Seal 120gsm Banana Yellow (Pack of 250) BLK93019
C5 Wallet Envelope Peel and Seal 130gsm Metallic Silver (Pack of 250) 312
Premium Envelopes Wove C4 Cream (Pack of 250) 61891
Premium Envelopes Wove C4 High White (Pack of 250) 35891
E-Green C5 40mm Gusset Peel and Seal Mailer (Pack of 250) 69112
Postpak C6 Peel and Seal Manilla 80gsm 20 Envelopes (Pack of 26) 9730813
Kraft Paper Mailing Bags with Twin Peel & Seal 180mm x 235mm + 80mm Gusset + 85mm Lip (Pack 50) - KMB180
Kraft Paper Mailing Bags with Twin Peel & Seal 250mm x 360mm + 60mm Gusset + 90mm Lip (Pack 50) - KMB250
Kraft Paper Mailing Bags with Twin Peel & Seal 360mm x 465mm + 80mm Gusset + 100mm Lip (Pack 50) - KMB360
Kraft Paper Mailing Bags with Twin Peel & Seal 415mm x 495mm + 100mm Gusset + 100mm Lip (Pack 50) - KMB415
Total 226 products
show per page
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