Royal Mail Large Letter Size Boxes

Brown PiP Large Letter Postal Box - 147x138x20mm

Brown PiP Large Letter Postal Box – 147x138x20mm

From: £10.99 or subscribe and save 10%
Rated 5.00 out of 5
Brown PiP Large Letter Postal Box - 220x190x19mm

Brown PiP Large Letter Postal Box – 220x190x19mm

From: £9.99 or subscribe and save 10%
Rated 5.00 out of 5
Brown PiP Large Letter Postal Box - 223x138x20mm

Brown PiP Large Letter Postal Box – 223x138x20mm

From: £11.99 or subscribe and save 10%
Rated 5.00 out of 5
Brown PiP Large Letter Postal Box - 240x156x17mm

Brown PiP Large Letter Postal Box – 240x156x17mm

From: £11.99 or subscribe and save 10%
Rated 5.00 out of 5
Brown PiP Large Letter Postal Box - 240x210x19mm

Brown PiP Large Letter Postal Box – 240x210x19mm

From: £9.99 or subscribe and save 10%
Rated 5.00 out of 5
Brown PiP Large Letter Postal Box - 344x235x17mm

Brown PiP Large Letter Postal Box – 344x235x17mm

From: £15.99 or subscribe and save 10%
Rated 5.00 out of 5
Brown PiP Large Letter Postal Box - 344x235x20mm

Brown PiP Large Letter Postal Box – 344x235x20mm

From: £14.99 or subscribe and save 10%
Rated 5.00 out of 5
Brown PiP Small Parcel Postal Box - 347x242x19mm

Brown PiP Large Letter Postal Box – 347x242x19mm

From: £10.99 or subscribe and save 10%
Rated 5.00 out of 5
Postal Tubes - 330x21mm

Postal Tubes – 330x21mm – Pack Of 5

£8.99 or subscribe and save 10%
Rated 5.00 out of 5
White PiP Large Letter Postal Box - 147x138x20mm - Packs of 10, 25 & 50

White PiP Large Letter Postal Box – 147x138x20mm

From: £11.99 or subscribe and save 10%
Rated 5.00 out of 5
White PiP Large Letter Postal Box - 220x190x20mm - Packs of 10, 25 & 50

White PiP Large Letter Postal Box – 220x190x20mm

From: £9.99 or subscribe and save 10%
Rated 5.00 out of 5
White PiP Large Letter Postal Box - 223x138x20mm - Packs of 10, 25 & 50

White PiP Large Letter Postal Box – 223x138x20mm

From: £13.99 or subscribe and save 10%
Rated 5.00 out of 5
White PiP Large Letter Postal Box - 344x235x20mm - Packs of 10, 25 & 50

White PiP Large Letter Postal Box – 344x235x20mm

From: £16.99 or subscribe and save 10%
Rated 5.00 out of 5

Large Letter PiP Postal Boxes

If you are looking for postal cardboard boxes that specifically fall into and meet the Royal Mail Large Letter size category then you are in the right place. All of our brown and white cardboard boxes listed here are specifically large letter postal boxes. We have a huge range of different sized Large Letter cardboard boxes which go right up to the Royal Mail PiP (Pricing In Proportion) limit.

We have carefully checked & ensured that all the external sizes of our cardboard boxes fit into the Royal Mail Large Letter category. Please note where the external dimensions of a box are particularly close to the Large Letter limit, extra care should be taken when constructing, packing & franking the box to ensure you do not accidentally go over that limit. No responsibility can be taken by Mailcoms Ltd should your box be charged by your post office at a higher rate than the one stated by Royal Mail for a Large Letter item.

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Happy Parcel Man

Mailcoms are proud to offer our customers automatic recurring orders without the need to remember to keep ordering the same essential business supplies products time and time again. This also allows us to forecast our stock requirements so you don’t have to worry about running out ever again.

Most importantly, with us automatically creating your order at a frequency of your choice you can always be confident that the products supplied will be guaranteed genuine Mailcoms products.

When you subscribe & save you will automatically create an order based on the subscription duration and frequency that you select. Your payment details will be stored securely with the world renowned trusted payment gateway ‘Stripe’ and you’ll be charged for each of these deliveries, unless you choose to pay in advance.

We will send you a reminder a few days before your order is generated to allow you to add to, amend, skip, delay, or cancel should you need to. If you want to cancel or change your subscribe & save products, you can do so at any time. Your order confirmation emails have links to your order where you can manage your subscription from.

See our terms & conditions for more details on returns and refunds. See more here.

Subscribe & Save

Happy Parcel Man

Mailcoms are proud to offer our customers automatic recurring orders without the need to remember to keep ordering the same essential business supplies products time and time again. This also allows us to forecast our stock requirements so you don’t have to worry about running out ever again.

Most importantly, with us automatically creating your order at a frequency of your choice you can always be confident that the products supplied will be guaranteed genuine Mailcoms products.

When you ‘Subscribe & Save’ we will automatically create an order based on your requested duration and frequency. Your payment details will be stored securely with the world renowned trusted payment gateway ‘Stripe’ and you’ll be charged for each of these deliveries, unless you choose to pay in advance.

We will send you a reminder a few days before your order is generated to allow you to add to, amend, skip, delay, or cancel should you need to. If you want to cancel or change your ‘Subscribe & Save’ products, you can do so at any time. Your order confirmation emails have links to your account where you can manage your subscription from.

See our terms & conditions for more details on returns and refunds. See more here.

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