An ethylene alpha-olefin copolymer having: (a) a density of from 0.910 g/cc to 0.940 g/cc wherein the density refers to the mass per unit volume of polymer determined in accordance with ASTM D1505; (b) a weight average molecular weight of from 150,000 g/mol to 300,000 g/mol; and (c) a melt index at a load of 2.16 kg of from 0.01 dg/min. to 0.5 dg/min. wherein the melt index represents the rate of flow of a molten resin through an orifice of 2.1 mm (0.0825 inch) diameter when subjected to a force of 2.16 kg at 190°C as determined in accordance with ASTM D1238; wherein a 25.4 micron (1 mil) blown film formed from the ethylene alpha-olefin copolymer is characterized by (i) a Dart Impact strength greater than 4445 g/micron (175 g/mil) as measured in accordance with ASTM D1709 Method A using a test specimen having a 25.4 micron (1 mil) thickness; (ii) an Elmendorf machine direction tear strength greater than 508 g/micron (20 g/mil) as measured in accordance with ASTM D1922 using a test specimen having a 25.4 micron (1 mil) thickness; and (iii) an Elmendorf transverse direction tear strength greater than 12065 g/micron (475 g/mil) as measured in accordance with ASTM D1922 using a test specimen having a 25.4 micron (1 mil) thickness, wherein the copolymer comprises 1-hexene and the copolymer has a CY-a value of from 0.35 to 0.65 wherein the dynamic complex viscosity versus frequency scan are fitted to the Carreau-Yasuda equation with an n = 0.1818 value. (a) a density of from 0.910 g/cc to 0.940 g/cc wherein the density refers to the mass per unit volume of polymer determined in accordance with ASTM D1505; (b) a weight average molecular weight of from 150,000 g/mol to 300,000 g/mol; and (c) a melt index at a load of 2.16 kg of from 0.01 dg/min. to 0.5 dg/min. wherein the melt index represents the rate of flow of a molten resin through an orifice of 2.1 mm (0.0825 inch) diameter when subjected to a force of 2.16 kg at 190°C as determined in accordance with ASTM D1238; wherein a 25.4 micron (1 mil) blown film formed from the ethylene alpha-olefin copolymer is characterized by (i) a Dart Impact strength greater than 4445 g/micron (175 g/mil) as measured in accordance with ASTM D1709 Method A using a test specimen having a 25.4 micron (1 mil) thickness; (ii) an Elmendorf machine direction tear strength greater than 508 g/micron (20 g/mil) as measured in accordance with ASTM D1922 using a test specimen having a 25.4 micron (1 mil) thickness; and (iii) an Elmendorf transverse direction tear strength greater than 12065 g/micron (475 g/mil) as measured in accordance with ASTM D1922 using a test specimen having a 25.4 micron (1 mil) thickness, wherein the copolymer comprises 1-hexene and the copolymer has a CY-a value of from 0.35 to 0.65 wherein the dynamic complex viscosity versus frequency scan are fitted to the Carreau-Yasuda equation with an n = 0.1818 value. (i) a Dart Impact strength greater than 4445 g/micron (175 g/mil) as measured in accordance with ASTM D1709 Method A using a test specimen having a 25.4 micron (1 mil) thickness; (ii) an Elmendorf machine direction tear strength greater than 508 g/micron (20 g/mil) as measured in accordance with ASTM D1922 using a test specimen having a 25.4 micron (1 mil) thickness; and (iii) an Elmendorf transverse direction tear strength greater than 12065 g/micron (475 g/mil) as measured in accordance with ASTM D1922 using a test specimen having a 25.4 micron (1 mil) thickness, wherein the copolymer comprises 1-hexene and the copolymer has a CY-a value of from 0.35 to 0.65 wherein the dynamic complex viscosity versus frequency scan are fitted to the Carreau-Yasuda equation with an n = 0.1818 value. <EOS>