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C4 / A4 ParcelMax Mailers - Royal Mail Large Letter Qualifying Corrugated Mailer (233mm x 320mm x 11mm)

  • C4 / A4 ParcelMax Mailers - Royal Mail Large Letter Qualifying Corrugated Mailer (233mm x 320mm x 11mm)
  • Product Code: PMAX-C4#
  • £0.00

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Available Options


ParcelMax Mailers - Strongest A4 C4 Cardboard Envelopes 


External Dimensions: 244mm x 327mm x 15mm

Internal Dimensions: 233mm x 320mm x 11mm

ParcelMax C4 A4 Cardboard Envelopes / Mailers are designed to be posted as a Royal Mail Large Letter size item.

ParcelMax Strong C4 A4 Envelopes Mailers provide the ultimate postal protection for your A4 items. They are perfect for protecting A4 pictures, prints, paintings, Point of Sale material and many other items that need to arrive with customers in a pristine state.


These extremely strong ParcelMax C4 size envelopes / boxes for A4 documents, calendars, etc and have the advantage of a surprisingly low weight for their superb strength. 


Individual Mailer Weight: 65g (appx)

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Shipping Rates & Upgrades


FREE SHIPPING ON ORDERS OVER £30 (ex VAT)...
so no nasty surprises at checkout.

With the vast majority of items listed on this site being supplied without an additional charge for postage on orders over £30 NET .

The only time you may have additional charges is when you’re buying bulk quantities, very large items or you’re located offshore or in certain parts of the Scottish Highlands.

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