5 x C4 Brown Die Cut Box

Royal Mail Large Letter PIP Cardboard Postal Boxes Brown & White single wall die cut size boxes for the royal mail 'large letter' postal system High quality UK manufactured corrugated boxes (0427 style) Boxes are really easy to assemble with, fold over ends and "earlock" lids High quality presentation boxes in the below sizes : C6 Size - Internal =160x110x20mm & External = 166x114x22mm C5 Size - Internal = 222x160x20mm & External = 228x164x22mm C4 Size - Internal = 332x245x22mm & External = 332x245x24mm - (This is the Max size allowed by royal mail as a "large letter")