Disclosed is a thermoformable film laminate that can be useful for packaging comprising or produced from (a) a thermoformable film layer comprising or produced from a polymer composition having at least 80% by weight polyethylene terephthalate polymer, said film having an outer surface and an inner surface; (b) a film layer having a heat shrinkage of at least about 5% less than (a); (c) a heat sealable layer; and optionally, (d) an additional barrier layer.