Large Letter Size Royal Mail. For more information about how to present your mail please visit royalmail.com/international/size or ask at the counter. What you'll pay to send an item simply depends on the size and weight;
Need to post a heavy or large parcel, or both? 24 cm long 16.5cm wide. We would recommend using an envelope no larger than c5 to fit these restrictions comfortably and avoid any excess costs.
Height + width + depth no greater than 90cm with no single side longer than 60cm weight up to 2kg*
Take a look at our parcel weight and size restrictions for our international services and mail formats * *. Large letters allow you to send documents, small electronics, books, games and even smaller articles of clothing. 360mm x 257mm x 4mm › see more product details Click here to learn more.