A tear resistant multilayer film comprising: a stack of polymeric layers comprising first and second layer types, the polymeric layers of the first layer type comprising a first polymer and the polymeric layers of the second layer type comprising a second polymer, the polymeric layers arranged such that no two layers of the first layer type are immediately adjacent and such that no two layers of the second layer type are immediately adjacent, wherein the first polymer is polyethylene terephthalate or a first ester block copolymer comprising polyethylene terephthalate blocks at a weight percent of the first ester block copolymer of at least 50 percent, the ester block copolymer further comprising glycol-modified polyethylene terephthalate blocks; wherein the second polymer is sebacic acid-substituted polyethylene terephthalate or a second ester block copolymer comprising sebacic acid-substituted polyethylene terephthalate blocks at a weight percent of the second ester block copolymer of at least 50 percent, the second ester block copolymer further comprising polyethylene terephthalate blocks, glycol-modified polyethylene terephthalate blocks, or a combination thereof; wherein the tear resistant multilayer film includes a total number of layers of the first and second layer types in a range of 8 to 300; and wherein at least one following conditions is satisfied: (i) the first polymer is the first ester block copolymer and comprises glycol-modified polyethylene terephthalate blocks at a weight percent of the first ester block copolymer of at least about 5 percent, and (ii) the second polymer is the second ester block copolymer and comprises polyethylene terephthalate blocks, glycol-modified polyethylene terephthalate blocks, or a combination thereof at a weight percent of the second ester block copolymer of at least about 5 percent. a stack of polymeric layers comprising first and second layer types, the polymeric layers of the first layer type comprising a first polymer and the polymeric layers of the second layer type comprising a second polymer, the polymeric layers arranged such that no two layers of the first layer type are immediately adjacent and such that no two layers of the second layer type are immediately adjacent, wherein the first polymer is polyethylene terephthalate or a first ester block copolymer comprising polyethylene terephthalate blocks at a weight percent of the first ester block copolymer of at least 50 percent, the ester block copolymer further comprising glycol-modified polyethylene terephthalate blocks; wherein the second polymer is sebacic acid-substituted polyethylene terephthalate or a second ester block copolymer comprising sebacic acid-substituted polyethylene terephthalate blocks at a weight percent of the second ester block copolymer of at least 50 percent, the second ester block copolymer further comprising polyethylene terephthalate blocks, glycol-modified polyethylene terephthalate blocks, or a combination thereof; wherein the tear resistant multilayer film includes a total number of layers of the first and second layer types in a range of 8 to 300; and wherein at least one following conditions is satisfied: (i) the first polymer is the first ester block copolymer and comprises glycol-modified polyethylene terephthalate blocks at a weight percent of the first ester block copolymer of at least about 5 percent, and (ii) the second polymer is the second ester block copolymer and comprises polyethylene terephthalate blocks, glycol-modified polyethylene terephthalate blocks, or a combination thereof at a weight percent of the second ester block copolymer of at least about 5 percent. (i) the first polymer is the first ester block copolymer and comprises glycol-modified polyethylene terephthalate blocks at a weight percent of the first ester block copolymer of at least about 5 percent, and (ii) the second polymer is the second ester block copolymer and comprises polyethylene terephthalate blocks, glycol-modified polyethylene terephthalate blocks, or a combination thereof at a weight percent of the second ester block copolymer of at least about 5 percent.