PayPal Logo

C3 / A3 Board Backed Envelopes With STIFFENERS (457mm x 324mm 18" x 12.75" appx)

  • C3 / A3 Board Backed Envelopes With STIFFENERS (457mm x 324mm 18" x 12.75" appx)
  • Product Code: C3BBENV-STIFF#
  • £0.00

  • Ex VAT: £0.00
Includes FREE SHIPPING To Most UK Mainland Addresses
Orders placed after 3.00 pm may not be shipped on the same day

Available Options

C3 / A3 Size Board Backed Envelopes With Stiffeners

Size:- C3 / A3 Board Backed Envelopes and Stiffeners

Envelope Size: 457mm x 324mm 18" x 12.75" appx)

Weight 150g approx.

Postage Category: Large Letter

These C3 / A3 Size DEFENDA Board Backed Envelopes come with A3 size Envelope Stiffeners to add additional protection to your important A3 size items that you need to ship safely through the postal system.
The A3 Envelope stiffener is made from a very strong E-Flute corrugated board and will still allow room within the Board Backed Envelope for your item.

The ULTIMATE PROTECTION for those items you need to protect in the post!

Very Strong Combined C3 Hard Backed Envelope and Stiffener.

Shipping Rates & Upgrades

 All of our prices are shown Inclusive of VAT and Free Shipping to MOST UK Mainland addresses, however, some Bulk Buy items, deliveries to offshore addresses & a very small number of Northern Scottish Postcodes will incur a shipping charge or surcharge, please see below, so no nasty surprises for you at the checkout!

Please note that we cannot deliver to PO boxes.

Please check here for Offshore and Scottish Highlands shipping upgrades

If you require a faster delivery, click here for timed shipping upgrades

If you are ordering outside of the UK, please click here to see our international rates


SPECIAL OFFER - £10.99 for Saturday Delivery