ROYAL MAIL SMALL PARCEL SIZE POSTAL CARDBOARD BOXES ALL SIZES
340 x 240 x 145mm (13.4 x 9.4 x 5. Paper Products. Family Run. We really Appreciate it! 406 x 305 x 127mm (16x12x5"). 379 x 379 x 152mm (15x15x6"). 538 x 305 x 127mm (21x12x5"). 305 x 305 x 152mm (12 x 12 x 6"). ).