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C3 / A3 ParcelMax Mailers - Maximum Royal Mail Small Parcel Qualifying Corrugated Mailer (349mm x 445mm x 17mm)


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Unfortunately, due to a national shortage of corrugated board, this item is temporarily out of stock. However, you are able to Pre-Order this item so that your order is despatched as soon as possible, after they have been manufactured.

Please be aware that the chronic shortage of cardboard entering the recycling system due to lockdowns & retail closures is leading to erratic supplies & sometimes our corrugated board suppliers are changing their delivery dates at extremely short notice.
  • Product Code: PMAX-C3#
  • £0.00

Includes FREE SHIPPING To Most UK Mainland Addresses
Orders placed after 3.00 pm may not be shipped on the same day

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Click Here for information on when product is back in stock

ParcelMax Mailers - Strongest A3 C3 Cardboard Envelopes 

External Dimensions: 349mm x 445mm

Internal Dimensions: 340mm x 440mm x 6mm

ParcelMax C3 A3 Cardboard Envelopes / Mailers are designed to be posted as a Royal Mail Small Parcel size item.

As you may be aware, traditional C3 / A3 envelopes exceed the size allowed to be posted as small parcels, meaning they have to go through Royal Mail as Medium Parcels costing considerably more.

ParcelMax Strong C3 A3 Envelopes Mailers provide the ultimate postal protection for your A3 items. They are perfect for protecting A3 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 C3 size envelopes / boxes for A3 documents, calendars, etc and have the advantage of a surprisingly low weight for their superb strength. 

Weight: 137grams (Appx)

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With the vast majority of items listed on this site being supplied without an additional charge for postage — you can shop with confidence that the price you see will be the price you pay at checkout.

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