a multi - layer film useful in vacuum skin packaging and other vacuum packaging applications , and having a combination of good implosion resistance , formability and high oxygen barrier characteristics , includes a core layer having an oxygen barrier material , intermediate layers of eva or other ethylene homopolymer or copolymers , polymeric adhesive layers which bond the intermediate layers to respective surfaces of the core layer , a first outer heat - sealable layer , a second outer heat resistant layer , and two moisture resistant layers disposed between respective outer and intermediate layers .