PiP Royal Mail Boxes For Large Letters C4 C5 C6 DL Card board Postal Mailer
It is our Top Priority. 320 x 230 x 20 mm - ( C4 Size - PiP ). PiP Large Letter Cardboard Boxes. 218 x 159 x 20 mm - ( C5 Size - PiP ). 112 x 163 x 20 mm - ( C6 Size - PiP ). 220 x 110 x 20 mm - ( DL Size - PiP ).