Royal Mail Medium Parcel Size Boxes

Larger cardboard boxes sized for the Royal Mail Medium Parcel rate, for items too big for a Small Parcel. Strong board keeps heavier contents protected in transit.

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For bigger items

When your item exceeds Small Parcel limits, a Medium Parcel box keeps it in the next postage band up while still protecting the contents. Add double wall boxes for heavier loads.

Why buy from Mailcoms

Mailcoms is a trusted UK mailroom supplier, trading since 2005, with fast delivery and free UK delivery over £40.

Frequently asked questions

What size is a Royal Mail Medium Parcel Postal Box?

The maximum dimensions you can have for a Royal Mail medium parcel parcel box is 61cm x 46cm x 46cm (610mm x 460mm x 460mm) with the maximum weight being 20 Kg.

How fast is delivery?

Standard UK delivery is 3-5 working days and free on orders over £40, with a next working day option available.