Royal Mail PIP Large Letter Cardboard Postal Boxes Brown C4 C5 C6 DL All Sizes
PIP C4 320 x 230 x 19 mm. PIP C5 219 x 159 x 19 mm. PIP C6 112 x 160 x 19 mm. PIP DL 220 x 110 x 19 mm. Color Classic Brown Manilla finish – clean, professional appearance. Easy to fold, tape-free assembly.