
Protect important items in the post with strong C5 white all board envelopes. Made from rigid 350gsm coated board, these envelopes prevent bending, creasing, or damage during transit and storage. The pocket format with a straight opening and secure peel and seal strip ensures professional presentation and dependable protection. Sized 229 x 162mm, each envelope is designed to hold A5 documents or A4 sheets folded once.
Key features
- Size: C5 - 229 x 162 mm (fits A5 or A4 folded once)
- Colour: White
- Finish: Coated for smooth, professional appearance
- Material: 350gsm rigid board
- Format: Pocket (short edge opening)
- Seal: Peel and Seal - fast and secure closure
Best for
- Certificates, legal documents and official paperwork
- Photographs, artwork and marketing materials
- Contracts, reports and presentations
- Any mailing where bend protection is essential
Why choose all board envelopes
- Rigid protection: prevents contents from folding or creasing in the post
- Premium finish: white coated board projects quality and professionalism
- Secure seal: peel and seal strip ensures quick closure without tape
Hints and tips
- Royal Mail: most C5 all board envelopes fall into Large Letter or Small Parcel categories depending on thickness and weight - check before posting.
- Label application: use strong adhesive labels or marker pens, as glossy coated board may resist standard labels.
- Storage: keep flat to maintain rigidity and avoid humidity, which can warp the board.
- Customisation: ideal for overprinting with branding - company logos, return addresses and promotional messages.
Height | 229mm |
Width | 162mm |
Item Weight | 33.76g |
Colour | White |
Finish | Coated |
Style | C5 |
Format | |
Seal | Peel and Seal |
Material | Board |
Material Weight | 350Gsm |
Weight Format | Gsm |
Seams | Centre and base seam |
Window | Plain |
Box Quantity | 200 |
Box Weight | 6.35 kg |
Size (mm) | 229 x 162 mm |
Size (cm) | 22.9 x 16.2 cm |
Size (inches) | 9.02 x 6.38 inches |
Are there any restrictions on the minimum number or value of items I can order?
Minimum Order Quantity: There is no minimum order quantity. You can order as few or as many items as you need.
Minimum Order Value: All orders must meet a minimum value requirement to be processed.
Do I have to be a business if I want to order from you?
No. We sell to businesses and individuals.
What payment options do I have?
You can pay by Credit or Debit Card, PayPal or Bank Transfer.
How much is the delivery?
You have several delivery options. Please visit our page for a detailed information: Delivery Methods
How accurate are the images?
We make every effort to ensure that the product images we use are accurate and up to date.
We endeavour to ensure that all images are as close to the true colour as possible, however we cannot guarantee the colour representation is exact. There can sometimes be shade variations between different batches of envelopes. There can also be variations when viewing on different monitors/screens depending on the settings etc.
If shade is critical, please ask for a sample.
How do I know the envelope is the right size for my cards?
Generally the envelope should be around 10mm bigger than your insert. We offer samples of many of our products, should you wish to check the size or colour before placing your order.
For full FAQ click here.