Peel and Seal
Recyclable
Royal Mail Large LetterProtect important A4 documents, photographs and other flat items during postage with our 334 x 234mm C4+ White All Board Envelopes. Manufactured from strong 400gsm white board with an additional protective fluted lining, these rigid mailing envelopes provide extra cushioning and protection against bending, knocks and everyday handling during transit.
Slightly larger than standard C4 envelopes, these C4 Plus protective mailers provide additional room for documents, certificates, photographs, artwork and printed materials that need to remain flat and protected throughout delivery.
Features & Benefits
- Protective Fluted Lining: Corrugated interior provides an additional cushioning layer to help protect contents against knocks and pressure during transit.
- Strong 400gsm Board: Sturdy all-board construction offers excellent rigidity and helps prevent documents from bending or creasing.
- C4+ Size (334 x 234mm): Slightly larger than standard C4, providing additional room for A4-sized contents.
- Peel & Seal Closure: Convenient self-adhesive strip allows for quick and secure sealing without the need for additional tape.
- Professional White Finish: Clean, presentable appearance suitable for business correspondence, important documents and customer orders.
- Recyclable Construction: Paper-based protective packaging that can be recycled after use.
Ideal for Mailing
- A4 documents, contracts and important paperwork
- Certificates, diplomas and official correspondence
- Photographs, artwork and photographic prints
- Brochures, catalogues and marketing materials
- Calendars, presentation documents and stationery
- Other flat items requiring additional protection
For businesses and individuals looking for protective C4+ envelopes, these white fluted all-board mailers combine a strong, rigid cardboard exterior with an additional protective interior. An excellent solution for posting important documents and flat items that require greater protection than a standard paper envelope.
| Height | 334mm |
| Width | 234mm |
| Item Weight | 81.28g |
| Colour | White |
| Size (mm) | 334 x 234 mm |
| Size (cm) | 33.4 x 23.4 cm |
| Size (inches) | 13.15 x 9.21 inches |
| Finish | Coated |
| Style | C4 |
| Format | |
| Seal | Peel and Seal |
| Material | Board |
| Material Weight | 400Gsm |
| Weight Format | Gsm |
| Seams | Outside Seams |
| Recyclable | Yes |
| Window | Plain |
| Box Quantity | 100 |
| Box Weight | 8.70 kg |
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.
