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 Window White C4 324×229mm 100gsm
Commercial Envelopes... Excellent quality cheap envelopes for office use. ..
£37.99
Pocket Peel and Seal Manilla C4 324×229mm 115gsm
Commercial Envelopes... Excellent quality cheap envelopes for office use. Buy o..
£34.99
Pocket Peel and Seal White C4 324×229mm 100gsm
Commercial Envelopes... Excellent quality cheap envelopes for office use. B..
£33.99
Pocket Peel and Seal High Window White C4 324×229mm 100gsm
Commercial Envelopes... Excellent quality cheap envelopes for office use. ..
£34.99
Pocket Peel and Seal Ultra White C4 324×229mm 120gsm ES
Commercial Envelopes... Excellent quality cheap envelopes for office use. ..
£42.99
Trade Pocket Peel and Seal White C4 324×229mm 120gsm
Commercial Premium Envelopes... Excellent quality cheap envelopes for office use. ..
£36.99
Pocket Peel and Seal Window Ultra White C4 324×229mm 120gsm ES
Commercial Envelopes... Excellent quality cheap envelopes for office use. ..
£44.99
Trade Pocket Peel and Seal Window White C4 324×229mm 120gsm
Commercial Premium Envelopes... Excellent quality cheap envelopes for office use. ..
£39.99
Wallet Peel and Seal Ultra White Wove C4 229×324mm 120gsm
Commercial Envelopes... Excellent quality cheap envelopes for office use. ..
£39.99
Pocket Peel and Seal Ice White Wove C4 324×229mm 120gsm
Commercial Envelopes... Excellent quality cheap envelopes for office use. ..
£49.99
Pocket Peel and Seal Window Ice White Wove C4 324×229mm 120gsm
Commercial Envelopes... Excellent quality cheap envelopes for office use. ..
£54.99
Pocket Peel and Seal Diamond White Wove C4 324×229mm 120gsm
Commercial Envelopes... Excellent quality cheap envelopes for office use. ..
£59.99
Pocket Peel and Seal Super White Wove C4 324×229mm 120gsm
Recycled Envelopes... Excellent quality cheap envelopes for office use. Buy online for your offic..
£42.99
Pocket Peel and Seal Window Diamond White Wove C4 324×229mm 120gsm
Commercial Envelopes... Excellent quality cheap envelopes for office use. ..
£64.99
Pocket Peel and Seal Window Super White Wove C4 324×229mm 120gsm
Recycled Envelopes... Excellent quality cheap envelopes for office use. Buy online for your offic..
£44.99
Gusset Pocket Peel and Seal Manilla C4 324×229×25mm 130gsm ES
Gusset Envelopes... Excellent quality cheap envelopes for office use. Buy online for your off..
£34.99
Gusset Pocket Boardback Peel and Seal Manilla C4 324×229×50mm 120gsm
Gusset Envelopes... Excellent quality cheap envelopes for office use. Buy online for your off..
£39.99
Gusset Pocket Boardback Peel and Seal White C4 324×229×50mm 120gsm
Gusset Envelopes... Excellent quality cheap envelopes for office use. Buy online for your off..
£54.99
Gusset Pocket Peel and Seal White C4 324×229×25mm 140gsm ES
Gusset Envelopes... Excellent quality cheap envelopes for office use. Buy online for your..
£54.99
Gusset Pocket Peel and Seal Window White C4 324×229×25mm 140gsm
Gusset Envelopes... Excellent quality cheap envelopes for office use. Buy online for ..
£59.99