Cardboard Letter Boxes Pack 50 | 310l x 220w x 18h mm | Large Letter |

If you need to find outstanding cardboard letter boxes that conform to Royal Mail's pricing in proportion guidelines, we have the perfect solution. These boxes are manufactured from tough yet extra lightweight card. Conform to Royal Mail PIP guidelines Made from tough extra lightweight card Keep postage costs low Can simply be folded around your product Can hold any product of suitable size up to 750g combined weight Cardboard Letter Boxes