Patent ID: 7935401

Claim:
A film comprising: a skin layer comprising modified polyester selected from one or more of glycol-modified polyester and acid-modified polyester; and a base layer comprising: at least about 5% by weight of the base layer of one or more polymers selected from alpha-olefin/cyclic-olefin copolymer and alpha-olefin/vinyl aromatic copolymer, wherein the one or more polymers of the base layer have a glass transition temperature of less than 50° C.; and at least about 50% by weight of the base layer of additional polymer selected from one or more of ethylene homopolymer, ethylene/alpha-olefin copolymer, polypropylene copolymer, and ethylene/unsaturated ester copolymer; wherein the film has a free shrink at 100° C. in at least one direction of at least about 10%.