A package which allows for butchering and packaging of fresh red meat at a centralized facility is provided which includes a support member such as a tray for receiving and supporting the meat, a permeable film enclosing the meat and an impermeable film enclosing the permeable film which remains in place...http://www.google.de/patents/US5686127?utm_source=gb-gplus-sharePatent US5686127 - Dual web package having improved gaseous exchange
