Royal Mail Large Letter Size:
A large letter sized parcel can be no larger than 353 x 250 x 25mm, and weigh no more than 750 grammes. Source: Royal Mail. These boxes make the most of these requirements whilst weighing less than 75grammes each. Measurements stated are internal.
Boxes that will fit in the post as “Large Letters”.
We can also make boxes to your requirements! Our custom made packaging and printing section has everything you need.
Bubble Bags, Padded Envelopes, Jiffy Bags and Mailers
Parcel paper, bubble wrap and corrugated cardboard rolls
Tapes & Dispensers, Envelopes, Postal Tubes, Luggage Tags, Shredded Polypropylene, Wood Wool and Loose Fill