A random propylene ethylene copolymerr having: (i) an ethylene derived units content, measured by 13 C NMR, ranging from 2.0 wt% to 11.0 wt%; (ii)) the fraction soluble in xylene at 25°C (Xs), measured according to USO 16152:2005 ranging from 7.1 wt% to 28.5 wt%; (iii) the intrinsic viscosity of the fraction soluble in xylene at 25°C ranges from 3.5 dl/g to 5.2 dl/g; (iv) the melting point is higher than 140.0°C and fulfils the following relation: Tm > 155 − 1.4 × C2 Wherein Tm is the melting point of the propylene ethylene copolymerr measured by DSC and C2 is the is the wt% of ethylene derived units of the propylene ethylene copolymerr (v) the flexural modulus is higher than 500MPa and fulfils the following relation TM > 1900 − 285 × C2 + 50 × Xs wherein TM is the flexural modulus in MPa, C2 is the wt% of ethylene derived units of the propylene ethylene copolymer and Xs is the fraction soluble in xylene at 25°C (wt%) of the propylene ethylene copolymer; wherein: the ethylene derived units are measured by 13 C NMR; the fraction soluble in xylene at 25°C (Xs) is measured according to a modified ISO 16152:2005; the intrinsic viscosity is measured in tetrahydronaphthalene at 135 °C; the melting point is measured by DSC according to ASTM D 3417; the flexural modulus is measured according to ISO 178; wherein the propylene ethylene copolymer is a bipolymer containing only propylene and ethylene. (i) an ethylene derived units content, measured by 13 C NMR, ranging from 2.0 wt% to 11.0 wt%; (ii)) the fraction soluble in xylene at 25°C (Xs), measured according to USO 16152:2005 ranging from 7.1 wt% to 28.5 wt%; (iii) the intrinsic viscosity of the fraction soluble in xylene at 25°C ranges from 3.5 dl/g to 5.2 dl/g; (iv) the melting point is higher than 140.0°C and fulfils the following relation: Tm > 155 − 1.4 × C2 Wherein Tm is the melting point of the propylene ethylene copolymerr measured by DSC and C2 is the is the wt% of ethylene derived units of the propylene ethylene copolymerr (v) the flexural modulus is higher than 500MPa and fulfils the following relation TM > 1900 − 285 × C2 + 50 × Xs wherein TM is the flexural modulus in MPa, C2 is the wt% of ethylene derived units of the propylene ethylene copolymer and Xs is the fraction soluble in xylene at 25°C (wt%) of the propylene ethylene copolymer; wherein: the ethylene derived units are measured by 13 C NMR; the fraction soluble in xylene at 25°C (Xs) is measured according to a modified ISO 16152:2005; the intrinsic viscosity is measured in tetrahydronaphthalene at 135 °C; the melting point is measured by DSC according to ASTM D 3417; the flexural modulus is measured according to ISO 178; wherein the propylene ethylene copolymer is a bipolymer containing only propylene and ethylene. wherein TM is the flexural modulus in MPa, C2 is the wt% of ethylene derived units of the propylene ethylene copolymer and Xs is the fraction soluble in xylene at 25°C (wt%) of the propylene ethylene copolymer; wherein: the ethylene derived units are measured by 13 C NMR; the fraction soluble in xylene at 25°C (Xs) is measured according to a modified ISO 16152:2005; the intrinsic viscosity is measured in tetrahydronaphthalene at 135 °C; the melting point is measured by DSC according to ASTM D 3417; the flexural modulus is measured according to ISO 178; wherein the propylene ethylene copolymer is a bipolymer containing only propylene and ethylene. the ethylene derived units are measured by 13 C NMR; the fraction soluble in xylene at 25°C (Xs) is measured according to a modified ISO 16152:2005; the intrinsic viscosity is measured in tetrahydronaphthalene at 135 °C; the melting point is measured by DSC according to ASTM D 3417; the flexural modulus is measured according to ISO 178; wherein the propylene ethylene copolymer is a bipolymer containing only propylene and ethylene.