Main Menu
Free delivery on all orders over £150
Next Day Delivery on all orders before 3pm
1500+ Productsthe UK's largest supplier

Blake Envelopes are the marketing leader in all envelopes across the UK and Europe which includes our White Envelope range. Our vast range of White Envelopes are available in a variety of sizes including the popular C4, C5 and DL, as well as a huge selection of other options. Our Envelopes also have a number of styles to choose from including standard, padded, cardboard and bubble padded envelopes to name a few. Our envelopes are packed in multiples of 1,000 or boxes of 250/500.

Consistency of product is paramount to us and stringent manufacturing criteria ensures this is maintained. All of our grades are made from specified papers, some of which have been specially developed for us to meet market needs. The internationally recognised Blake registered opaque is not only attractive in its appearance but serves to enhance the whiteness of any paper and provides maximum security to the envelope’s content.

If you can’t find what you are looking for, please give our friendly customer service team a call, we are always happy to help.

OUR BRANDS

NEED MORE INFORMATION?

Our Envelope Insights page unveils everything you need to know when choosing your envelope!
From our Glossary of Terms to our downloadable Envelope Size Guide, take a browse now to discover everything there is to know about envelopes…

insights

Set Ascending Direction
FILTERS
Page

PRODUCTS 1192 results

You've viewed 12 of 1192 products

per page
  1. Purely Packaging
    Polypost Polythene Pocket Peel and Seal Clear C4 320x240 70mic
    320 x 240 Qty per pack: 100
    Ref: SECL92/100 70 Mu
    £52.91 £63.49
    By Pack By Units
  2. Purely Packaging
    Polypost Polythene Pocket Peel and Seal Clear C4 320x240 70mic
    320 x 240 Qty per pack: 20
    Ref: SECL92/20 70 gsm
    £11.20 £13.44
    By Pack By Units
  3. Purely Packaging
    Polypost Polythene Pocket Peel and Seal White 430x330 70mic
    430 x 330 Qty per pack: 100
    Ref: SE1020/100 70 Mu
    £60.59 £72.71
    By Pack By Units
  4. Purely Packaging
    Polypost Polythene Pocket Peel and Seal White 430x330 70mic
    430 x 330 Qty per pack: 20
    Ref: SE1020/20 70 Mu
    £10.12 £12.14
    By Pack By Units
  5. Purely Packaging
    Polypost Polythene Pocket Peel and Seal White C4 320x240 70mic
    320 x 240 Qty per pack: 100
    Ref: SE920/100 70 Mu
    £47.26 £56.71
    By Pack By Units
  6. Purely Packaging
    Polypost Polythene Pocket Peel and Seal White C4 320x240 70mic
    320 x 240 Qty per pack: 20
    Ref: SE920/20 70 Mu
    £11.20 £13.44
    By Pack By Units
  7. Purely Packaging
    Polypost Polythene Pocket Peel and Seal White C5+ 260x165 70mic
    260 x 165 Qty per pack: 100
    Ref: SE720/100 70 Mu
    £31.50 £37.80
    By Pack By Units
  8. Purely Packaging
    Polypost Polythene Pocket Peel and Seal White C5+ 260x165 70mic
    260 x 165 Qty per pack: 20
    Ref: SE720/20 70 Mu
    £7.47 £8.96
    By Pack By Units
  9. Purely Packaging
    Polypost Polythene Pocket Peel and Seal White 240x135 70mic
    240 x 135 Qty per pack: 100
    Ref: SE620/100 70 Mu
    £26.66 £31.99
    By Pack By Units
  10. Purely Packaging
    Board Back Pocket Peel and Seal Manilla C4 324x229 120gsm Pk120
    324 x 229 Qty per box: 20
    Ref: 13935/20 120 gsm
    £36.06 £43.27
    By Box By Units
  11. Purely Packaging
    Gusset Pocket Peel and Seal Manilla C4 324x229x25 130gsm
    324 x 229 Qty per pack: 10
    Ref: 1991/10 PR 130 gsm
    £3.07 £3.68
  12. Purely Packaging
    Polypost Polythene Pocket Peel and Seal White C3+ 430x330
    330 x 430 Qty per pack: 5
    Ref: PE64/W/5 PR 50 Mu
    £3.70 £4.44
    By Pack By Units
Set Ascending Direction
FILTERS
Page

PRODUCTS 1192 results

You've viewed 12 of 1192 products

per page
FILTERS
Sub Range
  1. Board Back Envelopes 28 items
  2. Bright Coloured Envelopes 98 items
  3. Brilliant White Wove Envelopes 15 items
  4. Cash Transit Bags 1 item
  5. Commercial Manilla Envelopes 74 items
  6. Commercial White Envelopes 71 items
  7. Cream Manilla Envelopes 12 items
  8. Cream Wove Envelopes 20 items
  9. Dark Coloured Envelopes 36 items
  10. Diamond White Digital Smooth Envelopes 13 items
  11. Diamond White Laid Envelopes 16 items
  12. EcoCushion White Padded Gusset Envelopes 5 items
  13. Envoboard Allboard Envelopes 23 items
  14. Envolite White Padded Bubble Envelopes 11 items
  15. Evolve Recycled Envelopes 6 items
  16. Feltmark Envelopes 2 items
  17. Flora Recycled Envelopes 6 items
  18. FSC® Envelopes 14 items
  19. Gusset Envelopes 21 items
  20. High White Laid Envelopes 16 items
  21. High White Wove Envelopes 16 items
  22. Holographic Bubble Envelopes 3 items
  23. Holographic Envelopes 2 items
  24. Ice White Wove Envelopes 15 items
  25. Invitation Envelopes 36 items
  26. Kraft Mailing Bags 11 items
  27. Light Coloured Envelopes 48 items
  28. Manilla Mailing Wallet Envelopes 22 items
  29. Matt Coated Mailing Envelopes 2 items
  30. Metallic Envelopes 22 items
  31. Metallic Gloss Padded Bubble Envelopes 28 items
  32. Metallic Matt Padded Bubble Envelopes 50 items
  33. Mid Coloured Envelopes 30 items
  34. Natural Finish Envelopes 2 items
  35. Nature First Recycled Envelopes 21 items
  36. Neon Gloss Padded Bubble Envelopes 11 items
  37. Optima Card Envelopes 8 items
  38. Oyster Wove Envelopes 16 items
  39. Peel and Seal Envelopes 44 items
  40. Polypost Polythene Envelopes 23 items
  41. Polypost Security Envelopes 14 items
  42. Premium Office Envelopes 50 items
  43. Premium Postfast Envelopes 13 items
  44. Purely Corrugated Envelopes 3 items
  45. Retail Packs 11 items
  46. Reverse Window Envelopes 4 items
  47. Square Envelopes 32 items
  48. String and Washer 3 items
  49. Super White Wove Recycled Envelopes 13 items
  50. Tear Resistant Envelopes 17 items
  51. Translucent Envelopes 15 items
  52. Vellum Laid Envelopes 16 items
  53. Vellum Wove Envelopes 16 items
  54. Velvet Envelopes 3 items
  55. Vita Manilla Padded Eco Cushion Pockets 5 items
  56. White Mailing Wallet Envelopes 79 items
VIEW PRODUCTS