The English firm of G. Ryder & Company was commissioned by Stanley Kubrick to produce a set of cardboard boxes that met rather exacting standards. Kubrick was unhappy with the cardboard boxes available on the market at the time, so he decided to just design his own and hire this firm to produce them. This video excerpt is from the excellent documentary on Kubrick called, “Stanley Kubrick’s Boxes“. Here are a couple of relevant links: