Send your master on DLT (Digital Linear Tape - the professional source for factory pressed DVDs) or Authoring DVD (a highly stable DVD mastered with a professional pioneer drive) or DVD-R (please use the highest grade stock to ensure maximum compatibility)*
Pack your master up carefully, putting discs into a hard case.
Put it into a padded envelope and send it recorded post or courier to:
123iceni ltd
the studio
bell house lane
anslow
DE13 9PA
*Just ask if you are bamboozled - 0845 680 99 10