Royal Mail Box Sizes

Selecting Your PIP Packaging

Compare all Royal Mail PIP Boxes at a glance

Whilst the range of Royal Mail PIP boxes (pricing in proportion) is not huge, it can still be difficult to select the correct option for your business (or even if you should be using them at all).

To help with your decision making process, the below table has been created. It allows a quick, at a glance view of all the requirements, limitations and details for each options available.

Plus, if you think you have found the right postal packaging for your business, you can click through for further information and buying advice.

Size Table

View all Royal Mail size / weight / etc. guidelines

PIP Size	Max Length	Max Width	Max Depth	Max Weight	Delivery
Letter	240 mm	165 mm	5mm	0.1 Kg	NA
Large Letter	353 mm	250 mm	25 mm	0.75 Kg	0.10 Kg = £1.06 0.25 Kg = £1.50 0.75 Kg = £2.72
Small Parcel	450 mm	350 mm	160 mm	2 Kg	01 Kg = £3.55 02 Kg = £5.50
Medium Parcel	610 mm	460 mm	460 mm	20 Kg	01 Kg = £5.80 05 Kg = £15.85 10 Kg = £21.90 20 Kg = £33.40
Large Parcel	> 610 mm OR	> 460 mm OR	> 460 mm	30 Kg
PIP Size	Max Length	Max Width	Max Depth	Max Weight	Delivery

Guidance

Tips on using the table

GWP understands that it can still be difficult to find exactly what you need, even with having all of the information in one place. As such, the diagram to the right / below this text (depending on what device you are reading this on) also highlights how the measurements of each box are calculated.

If you still cannot find precisely what you need using the table however, a member of the GWP team will be happy to offer expert advice. You can reach us on 01793 754 444 or by emailing packaging@gwp.co.uk.

Alternative Packaging Options

Other corrugated boxes and packaging available

Postal Packaging

Huge range of cardboard mailers and postal boxes

Bottle Packaging

Specialist packaging for shipping bottles safely

Ecommerce Boxes

Plain or printed boxes to delight your customers

Korrvu®

Innovative system for improved transit protection

Industrial & Transit

Durable, cost effective packaging for bulk shipping

Cardboard box dividers inside outer corrugated packaging

Inserts / Dividers

Improve protection, space and packing efficiency

Retail & POS

POS and packaging perfectly matched to your brand identity

Get In Touch

Genuinely cost effective and impartial

Looking for additional info, advice or even quotes on your corrugated packaging supply? GWP will be happy to help!

As a UK leading, independent manufacturer of corrugated packaging products, you can get truly unbiased advice on the best packaging option for your business. And with a focus on innovation, you can source boxes and designs that are not only unavailable anywhere else, but are beyond what you probably believe is possible.

Every quote provided is free, no obligation and with absolutely no pressure. Add the free expert advice and customer service of the highest level, and it allows you to source the right packaging – at the right cost – for your business.