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

C4/A4, C5/A5, C6/A6, C7/A7, Pricing in proportion (PIP) die cut cardboard postal boxes in Brown or White and with or without flap/lock Brown boxes are brown on the inside and white boxes are also brown on the inside Large letter qualifying Made from a hard 1.2mm Thick single wall cardboard PLEASE SEE FULL DESCRIPTION BELOW FOR SIZE GUIDE