A polymer composition comprising a first heterophasic propylene copolymer (a), a second heterophasic propylene copolymer (b) and optionally an inorganic filler, wherein the amount of the first heterophasic propylene copolymer (a) is in the range from 5.3 to 63.7 wt% based on the total amount of the polymer composition, wherein the amount of the second heterophasic propylene copolymer (b) is in the range from 4.7 to 64.5 wt% based on the total amount of the polymer composition, wherein the xylene soluble part of first heterophasic propylene copolymer (a) is in the range from 10 to 27 wt% as determined by ISO16152:2005 based on the total amount of the first heterophasic propylene copolymer (a), wherein the ratio between the intrinsic viscosity of the xylene soluble part of first heterophasic propylene copolymer (a) and of the xylene insoluble part of first heterophasic propylene copolymer (a) is in the range from 3.1 to 7.2, wherein the intrinsic viscosity of the xylene soluble part and of the xylene-insoluble part are measured according to ISO1628-1:2009 and ISO1628-3:2010 respectively in decalin at 135 °C; wherein the MFI of the first heterophasic propylene copolymer (a) is in the range from 40 to 120 dg/min as determined according to ISO1133-1:2011 at 230 °C with a 2.16 kg load; wherein the xylene soluble part of the second heterophasic propylene copolymer (b) is in the range from 12 to 27 wt% as determined by ISO16152:2005 based on the total amount of the second heterophasic propylene copolymer (b), where in the intrinsic viscosity of the xylene soluble part of the second heterophasic propylene copolymer (b) is in the range from 2.9 to 4.6 dl/g as measure according to ISO1628-1:2009 in decalin at 135 °C; wherein the MFI of the second heterophasic propylene copolymer (b) is in the range from 5.6 to 65 dg/min as determined according to ISO1133-1:2011 at 230°C with 2.16 kg load, wherein the MFI of the polymer composition is in the range from 5 to 100 dg/min as determined according to ISO1133-1:2011 at 230°C with 2.16 kg load. wherein the xylene soluble part of first heterophasic propylene copolymer (a) is in the range from 10 to 27 wt% as determined by ISO16152:2005 based on the total amount of the first heterophasic propylene copolymer (a), wherein the ratio between the intrinsic viscosity of the xylene soluble part of first heterophasic propylene copolymer (a) and of the xylene insoluble part of first heterophasic propylene copolymer (a) is in the range from 3.1 to 7.2, wherein the intrinsic viscosity of the xylene soluble part and of the xylene-insoluble part are measured according to ISO1628-1:2009 and ISO1628-3:2010 respectively in decalin at 135 °C; wherein the MFI of the first heterophasic propylene copolymer (a) is in the range from 40 to 120 dg/min as determined according to ISO1133-1:2011 at 230 °C with a 2.16 kg load; wherein the xylene soluble part of the second heterophasic propylene copolymer (b) is in the range from 12 to 27 wt% as determined by ISO16152:2005 based on the total amount of the second heterophasic propylene copolymer (b), where in the intrinsic viscosity of the xylene soluble part of the second heterophasic propylene copolymer (b) is in the range from 2.9 to 4.6 dl/g as measure according to ISO1628-1:2009 in decalin at 135 °C; wherein the MFI of the second heterophasic propylene copolymer (b) is in the range from 5.6 to 65 dg/min as determined according to ISO1133-1:2011 at 230°C with 2.16 kg load, wherein the MFI of the polymer composition is in the range from 5 to 100 dg/min as determined according to ISO1133-1:2011 at 230°C with 2.16 kg load.