Brown & White C4, C5, C6 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")