Large Letter Cardboard Envelopes Range - Over 35 Sizes

We use cookies to improve your browsing experience.
Find out more here. Continue

Loading
Mobile Menu
Search
Login
Contact Us
Basket
0
Priory Direct Logo
Trust Pilot

Call us on 01622 580 100

Shopping Basket

£0.00 (0 items)
Basket
View




Up to

47%

off

Single

1 Label Per Sheet

Up to

47%

off

Double

2 Labels Per Sheet

Up to

47%

off

Treble

3 Labels Per Sheet

Up to

44%

off

Royal Mail Click & Drop

Matching Label Layouts

Up to

44%

off

eBay

Matching Label Layouts

Up to

43%

off

Amazon

Matching Label Layouts

Up to

44%

off

MyHermes

Matching Label Layouts

Up to

43%

off

ETSY

Matching Label Layouts
View all integrated labels

Up to

30%

off

Standard Bubble Lined Bags

Great value padded envelopes.

Up to

38%

off

Coloured Bubble Lined Bags

Coloured paper outer.

Up to

38%

off

Metallic Bubble Lined Bags

Glossy eye-catching outer.

Up to

27%

off

Plus Bubble Lined Bags

Stonger paper outer.

Up to

26%

off

Poly Bubble Lined Bags

Light, strong, recyclable.

Up to

26%

off

Double Bubble Lined Bags

Double bubble lining.

Up to

25%

off

Original Jiffy Green Bags®

Eco-friendly original Jiffy bags.
Paper Size Icon

Shop By Size

A2 A3 A4 A5 A6
View all bubble lined bags

Up to

44%

off

Board Backed Envelopes

'Do not bend' envelopes with rigid backboard.

Up to

47%

off

All Board Envelopes

White fully cardboard envelopes.

Up to

48%

off

Rigid Corrugated Envelopes

Strong corrugated cardboard envelopes.

Up to

41%

off

Cardboard
Mailers

Low Cost Cardboard Mailers.
Postal Size Icon

Shop By
Postal Size

Letter Large Letter Small Parcel Medium Parcel Large Parcel
Envelope Size Icon

Shop By
Envelope Size

C6 C5 C4 C3 C2
View all cardboard envelopes

Up to

41%

off

Standard Packing Boxes

Fefco Fold & Tape Boxes

Up to

41%

off

Standard Postal Boxes

Pizza Style Postage Optimised Boxes

Up to

41%

off

ColomPac® Postal Boxes

Quick Assembly Peel & Seal Postal Boxes

Up to

38%

off

BDC Boxes

Bulk Distribution Cartons

Up to

47%

off

ColomPac® Pop Up Boxes

Pop-Up Peel & Seal Boxes

Up to

38%

off

CP 181 Bottle Boxes

DHL Certified-Safe Bottle Boxes

Up to

38%

off

Archive / Storage Boxes

Strong, Lidded, Cardboard Storage Boxes
Postal Size Icon

Shop By
Postal Size

Large Letter Large Parcel Medium Parcel Small Parcel
View all cardboard boxes

Up to

44%

off

Economy Book Wraps

(6 products)

Up to

44%

off

ColomPac® CP 020 Book Wraps

(9 products)

Up to

41%

off

ColomPac® CP 030 Record Mailers

(2 products)

Up to

45%

off

ColomPac® Extra-strong Book Wraps

(6 products)

Up to

46%

off

ColomPac® Cardboard Mailers

(7 products)
Postal Size Icon

Shop By
Postal Size

Large Letter Small Parcel Medium Parcel
View all book wraps & mailers

Up to

49%

off

Bubble Wrap

(16 products)

Up to

48%

off

Postal Tubes

(25 products)

Up to

44%

off

Packing Peanuts

(2 products)

Up to

44%

off

Packing Paper

(10 products)

Up to

43%

off

Corrugated Cardboard Rolls

(8 products)

Up to

22%

off

Air Cushion
Void Fill

(6 products)

Up to

44%

off

Board Stiffeners

(3 products)

Up to

47%

off

Silica Gel Sachets

(8 products)

Up to

41%

off

Bubble Wrap Bags

(7 products)

Up to

26%

off

Plastic Edge Protectors

(5 products)

Up to

47%

off

Tissue Paper Sheets

(32 products)

Up to

38%

off

Shredded Tissue Paper

(24 products)
View all protective packaging

Up to

47%

off

Poly Mailers

(79 products)

Up to

48%

off

Grip Seal Bags

(73 products)

Up to

44%

off

Clear Polythene Bags

(54 products)

Up to

41%

off

Garment Bags

(5 products)

Up to

41%

off

Layflat Tubing

(17 products)

Up to

41%

off

Clear Mailing Bags

(4 products)

Up to

47%

off

Cellophane Wrap Rolls

(19 products)

Up to

47%

off

Document Enclosed Wallets

(8 products)
View all polythene packaging

Up to

41%

off

Packing Tape

(38 products)

Up to

41%

off

Stretch Film

(16 products)

Up to

34%

off

3M Tape

(12 products)

Up to

41%

off

Reinforced Tape

(8 products)

Up to

41%

off

Floor Marking Tape

(37 products)

Up to

47%

off

Masking Tape

(4 products)

Up to

34%

off

Fragile Tape

(4 products)

Up to

41%

off

Gummed Paper Tape

(2 products)

Up to

25%

off

Scotch Tape

(2 products)

Up to

38%

off

Shrink Wraps & Shrink Systems

(17 products)

Up to

41%

off

Tape Dispensers

(14 products)

Up to

25%

off

Machine Tape

(8 products)
View all tapes, wraps & films

Up to

47%

off

A4 Printer Labels

(91 products)

Up to

38%

off

Coloured Address Labels

(20 products)

Up to

44%

off

Thermal Labels

(9 products)

Up to

41%

off

Packaging Labels

(5 products)

Up to

47%

off

Packing Slips With Labels

(102 products)

Up to

26%

off

Label Dispensers

(2 products)

Up to

41%

off

Franking Labels

(1 product)

Up to

44%

off

Security Labels

(2 products)
View all labels

Up to

38%

off

Shredded Tissue Paper

(24 products)

Up to

26%

off

Coloured Envelopes

(18 products)

Up to

38%

off

Organza Bags

(10 products)

Up to

47%

off

Tissue Paper Sheets

(32 products)

Up to

47%

off

Cellophane Wrap Rolls

(19 products)

Up to

44%

off

Packing Paper

(10 products)

Up to

38%

off

CP181 Bottle Boxes

(2 products)

Up to

41%

off

CP068 Postal Gift Boxes

(2 products)
View all gift packaging

Up to

41%

off

Printer Paper

(47 products)

Up to

38%

off

Envelopes

(12 products)

Up to

47%

off

Document Enclosed Wallets

(8 products)

Up to

38%

off

Rubber Bands

(11 products)

Up to

38%

off

Refuse Sacks

(4 products)

Up to

25%

off

Pens

(6 products)

Up to

25%

off

Scotch Tape

(2 products)

Up to

47%

off

Integrated Cards

(12 products)

Up to

41%

off

Integrated Event Pass

(1 product)

Up to

38%

off

Event Lanyards

(4 products)

Up to

44%

off

Integrated Wristbands

(2 products)

Up to

22%

off

Integrated Gift Tags

(6 products)
View all office supplies

Up to

47%

off

Safety Cutters & Packing Knives

(5 products)

Up to

38%

off

Rubber Bands

(11 products)

Up to

38%

off

Refuse Sacks

(4 products)

Up to

41%

off

Floor Marking Tape

(37 products)

Up to

38%

off

Pallet Top Covers

(1 product)

Up to

41%

off

Stretch Film

(16 products)

Up to

47%

off

Document Enclosed Wallets

(8 products)

Up to

22%

off

Air Cushion Void Fill

(6 products)

Up to

26%

off

Heat Sealers

(18 products)

Up to

22%

off

Glue Guns

(8 products)

Up to

41%

off

Tape Dispensers

(14 products)

Up to

38%

off

Carton Staplers

(6 products)

Up to

38%

off

Shrink Wraps & Shrink Systems

(17 products)

Up to

25%

off

Strapping & Strapping Machines

(4 products)

Up to

25%

off

Packing Stations

(116 products)

Up to

25%

off

Warehouse Machines & Equipment

(101 products)
View all warehouse supplies
Accumulator Saver
Accumulator Saver
Mix & match bulk discounts
Direct Rewards
Direct Rewards
1% of everything you spend
Free Samples
Free Samples
Try before you buy
Same Day Despatch
Same Day Despatch
On orders placed before 5pm

Delivery VanOrder in the next for same day despatch.

EU FlagEurope wide delivery.

Large Letter Sized Cardboard Envelopes

Product filter icon

Filters

Applied Filters

  • Envelope TypeFilter Icon
    Close Close
  • ColourFilter Icon
    Close Close
  • Internal DimensionsFilter Icon
    Opening (mm)
    Height (mm)
    Close Close
  • Postal SizeFilter Icon
    Close Close
  • Envelope SizeFilter Icon
    Close Close
Back to top
From as little as £7.50 per box of 100

Delivery VanOrder in the next for same day despatch.    EU FlagEurope wide delivery.

Bespoke Bespoke Enquiry Product Guides Product Guides

Our Large Letter Cardboard Envelopes are available in over 35 sizes to suit all needs. These envelopes conform to the sizes set by Royal Mail for sending large letters. We offer a range of large letter size cardboard envelopes in brown, manilla, or white. This range includes Board Backed Envelopes, All Board Envelopes, ColomPac® envelopes, MailJacket™ and MailJacket™ Lite. All of our large letter cardboard envelopes feature a handy peel and seal adhesive closure, which means they are quick to pack and secure in the post.

Displaying 38 of 73 Cardboard Envelopes  - Sorted by   You can Clear All Filters Close to see all products.
Add Selected Products Only show selected products.