A propylene ethylene copolymer having:



i) a xylene soluble fraction at 25° C. ranging from 30 wt % to 48 wt %;
ii) an intrinsic viscosity of the xylene soluble fraction, ranging from 2.8 to 4.3 dl/g;
iii) a melt flow rate, measured according to ISO 1133 at 230° C. with a load of 2.16 kg, ranging from 0.2 g/10 min to 10 g/10 min;
iv) an ethylene derived units content ranging from 10.3 wt % to 15.4 wt %;
v) the ethylene derived units content on the xylene insoluble fraction, ranging from 6.1 wt % to 9.0 wt %;
vi) the ethylene derived units content on the xylene soluble fraction, ranging from 18.2. wt % to 30.2 wt %;
vii) the 13C-NMR sequences PEP measured on the xylene insoluble fraction, ranging from 4.1 mol % to 6.5 mol %; and
(viii) the 13C-NMR sequences PEP measured on the xylene soluble fraction, ranging from 10.5 mol % to 14.2 mol %.