A clear, multilayer polymeric film that is desirable for thermoforming applications. The film in its various embodiments include two inner layers of nylon and/or a core layer of ethylene vinyl alcohol or ethylene vinyl alcohol copolymer sandwiched between the two inner nylon layers. The film can also...http://www.google.co.uk/patents/US6068933?utm_source=gb-gplus-sharePatent US6068933 - Thermoformable multilayer polymeric film