Patent ID: 8241736

Claim:
A multilayer, heat-shrinkable film, comprising: a. a bulk layer; and b. a microlayer section comprising at least ten microlayers, at least one of said microlayers comprising a blend of two more polymers and having a composition that is different from at least one other microlayer; wherein, each of said microlayers and said bulk layer have a thickness, the ratio of the thickness of any of said microlayers to the thickness of said bulk layer being at least 1:2; and wherein, said film has a total free shrink (ASTM D2732-03) of at least about 10% at 200° F., and an Elmendorf Tear value (ASTM D1922-06a) of at least 30 grams/mil, as measured in at least one direction along a length or width dimension of said film.