a two - component laminated multilayer film suitable for use in packaging articles such as pet food comprises a first component and a non - heat - shrinkable second component . the first component comprise an outer first film layer , an optional second film layer , and an optional third film layer . the first and third film layers comprise ethylene / alpha - olefin copolymer , while the second film layer is a modified ethylene copolymer . the second component comprises an outer fourth layer , an oxygen barrier fifth layer , sixth and seventh layers which serve as tie layers and are positioned on either side of the barrier layer . the multilayer film is heat sealable to itself and another film . the multilayer film has a total thickness of at least 2 mils , an impact strength of at least about 3 ft - lbs , an elongation at break of less than 300 %, a tear propagation of at least 50 grams , a tensile modulus of at least 45 , 000 psi , total free shrink at 180 ° f . of from less than 50 percent .