large parcel royal mail refers to a service offered by Royal Mail in the United Kingdom for sending larger items or parcels that exceed the standard size or weight limits for regular mail. Royal Mail provides specific guidelines for sending large parcels, including size and weight restrictions, as well as available delivery options. For larger parcels, you can choose services like Royal Mail Tracked or Special Delivery to ensure safe and timely delivery. Large parcels often incur higher shipping fees due to the increased handling required.