Royal mail maximum parcel size

According to Royal Mail's guidelines, the maximum parcel size for their services varies depending on the service and the destination. Here are the maximum parcel sizes for some of Royal Mail's most popular services:

Royal Mail 1st Class Parcels

Royal Mail 2nd Class Parcels

Royal Mail Special Delivery Guaranteed

Royal Mail International Parcels

Royal Mail International Tracked & Signed

Please note that these are the maximum parcel sizes for Royal Mail's standard services. If you need to send a larger or heavier parcel, you may need to use a specialized courier service or a larger parcel delivery company.

It's also important to check the Royal Mail website for any specific restrictions or requirements for sending certain types of items, such as hazardous materials or perishable goods.