30 x C4 A4 Black Box 345x240x22mm (13.6x9.5x0.8") RM Large Letter Cardboard Shipping Mailing Boxes

Black, Blue, Purple C4/A4, C5/A5, C6/A6, C7/A7 Pricing in proportion (PIP) die cut cardboard large letter postal boxes Coloured outside and White inside Large letter qualifying Made from a hard 1.2mm Thick single wall cardboard PLEASE SEE FULL DESCRIPTION BELOW FOR SIZE GUIDE