Plain Envelope Sizes
Choose From Over 80 Sizes
See below over 80 envelope sizes we have available today here in the UK for next day delivery.
All the envelopes you see are available to buy online by the box to save you even more.
As a rough guide the 4 most common trpes of envelope are:
C6 114 x 162mm - postcard size
DL 110 x 220mm - standard letterbox size
C5 162 x 229mm - half a sheet of A4 size paper
C4 324 x 229mm - a full sheet of A4 size paper
Refine Search
- 70 x 100mm
- 80 x 215mm
- Standard C7 - 82 x 113mm
- 89 x 152mm
- 94 x 124mm
- 94 x 143mm
- 98 x 67mm
- 100 x 100mm
- 102 x 146mm
- 102 x 216mm
- 105 x 216mm
- 106 x 206mm
- 108 x 102mm
- 108 x 159mm
- STANDARD DL - 110 x 220mm
- 111 x 111mm
- 111 x 232mm
- STANDARD C6 - 114 x 162mm
- Oversize DL - 114 x 229mm
- Oversize DL - 114 x 235mm
- 120 x 120mm
- 121 x 171mm
- Oversize DL - 121 x 235mm
- 124 x 89mm
- 125 x 125mm
- 125 x 175mm
- 127 x 190mm
- 127 x 310mm
- 130 x 130mm
- 133 x 185mm
- 133 x 197mm
- 140 x 140mm
- 143 x 203mm
- 146 x 146mm
- 152 x 216mm
- 152 x 315mm
- 155 x 155mm
- 159 x 159mm
- 159 x 210mm
- Undersize C5 - 155 x 220mm
- STANDARD C5 - 162 x 229mm
- Oversize C5 - 162 x 235mm
- Oversize C5 - 162 x 238mm
- 165 x 165mm
- 170 x 170mm
- 175 x 305mm
- STANDARD C4 - 324 x 229mm
- 330 x 248mm
- 330 x 273mm
- 330 x 279mm
- 330 x 330mm
- 335 x 230mm
- 340 x 340mm
- 350 x 250mm
- 352 x 229mm
- Standard B4 - 352 x 250mm
- 381 x 152mm
- 381 x 254mm
- 394 x 318mm
- 400 x 280mm
- 406 x 305mm
- 430 x 162mm
- Oversize C3 - 444 x 368mm
- Standard C3 - 457 x 324mm
- 460 x 185mm
- 470 x 330mm
- 508 x 381mm
- 525 x 460mm
- Standard C2 - 625 x 444m
Pocket Self Seal White 254×178mm 100gsm
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£39.99
Pocket Peel and Seal Manilla 254×178mm 115gsm
Quality Commercial Envelopes... Premium quality envelopes for everyday use. Buy onl..
£42.99
Internal Mail Pocket UnGummed Manilla 254×178mm 90gsm
Quality Commercial Envelopes... Premium quality envelopes for everyday use. Buy onlin..
£39.99
Board Back Pocket Peel and Seal Manilla 267×216mm 120gsm
Quality Commercial Envelopes... Premium quality envelopes for everyday use. Buy onlin..
£27.99
Pocket Gummed Manilla 270×216mm 120gsm
Quality Commercial Envelopes... Premium quality envelopes for everyday use. Buy onlin..
£34.99
Pocket Peel and Seal Manilla 270×216mm 120gsm
Quality Commercial Envelopes... Premium quality envelopes for everyday use. Buy..
£39.99
Pocket Self Seal White 270×216mm 100gsm
Quality Commercial Envelopes... Premium quality envelopes for everyday use. Buy..
£39.99
Square Wallet Peel and Seal Ultra White 270×270mm 120gsm
Quality Square Envelopes... Premium quality square envelopes for everyday use. Buy onli..
£69.99
Square Wallet Peel and Seal White 300×300mm 120gsm
Quality Square Envelopes... Premium quality square envelopes for everyday use. ..
£64.99
Pocket Gummed Manilla Half C4 305×127mm 120gsm
Trade Budget Envelopes... Premium quality wholesale envelopes for office use. Buy..
£39.99
Pocket Peel and Seal Manilla Half C4 305×127mm 120gsm
Trade Budget Envelopes... Premium quality wholesale envelopes for office use. ..
£44.99
Pocket Peel and Seal White Half C4 305×127mm 100gsm
Trade Budget Envelopes... Premium quality wholesale envelopes for office use. ..
£44.99
Card Pocket Peel and Seal Ultra White Card Half C4 305×127mm 210gsm 280µm
Trade Budget Envelopes... Premium quality wholesale envelopes for office use. ..
£69.99
Pocket Peel and Seal White 2/3 C4 305×152mm 100gsm
Trade Budget Envelopes... Premium quality wholesale envelopes for office use. ..
£39.99
Pocket Peel and Seal Window White 2/3 C4 305×152mm 100gsm
Trade Budget Envelopes... Premium quality wholesale envelopes for office use. ..
£44.99
Pocket Gummed Manilla 305×250mm 90gsm
Wholesale Budget Envelopes... Premium quality cheap envelopes for office use. Buy online for ..
£34.99
Pocket Self Seal Manilla 305×250mm 90gsm
Wholesale Budget Envelopes... Premium quality cheap envelopes for office use. Buy onlin..
£36.99
Pocket Peel and Seal Manilla 305×250mm 115gsm
Wholesale Budget Envelopes... Premium quality cheap envelopes for office use. Buy onlin..
£38.99
Mailer Gummed White 310×238mm 100gsm
Wholesale Mailer Envelopes... Premium quality mailer envelopes for office use. Cheaper on..
£36.99
Pocket Peel and Seal White 305×250mm 100gsm
Wholesale Budget Envelopes... Premium quality cheap envelopes for office use. Buy onlin..
£49.99