A polycarbonate blend composition comprising: a) a first polycarbonate-polysiloxane polymer; wherein the first polycarbonate-polysiloxane polymer: i. has a weight average molecular weight from 21,000 to 25,000 as measured by GPC using BPA polycarbonate standards; ii. comprises a polydiorganosiloxane block with an average block length of from 30 to 100; and iii. comprises a diorganosiloxane content from 4 wt% to 8 wt% based on the total weight of the first polysiloxane-polycarbonate being 100%; b) a second polycarbonate-polysiloxane polymer; wherein the second polycarbonate-polysiloxane polymer: i. has a weight average molecular weight from 28,000 to 32,000 as measured by GPC using BPA polycarbonate standards; ii. is present in an amount from 5 wt% to 10 wt% based on the total wt% of a), b), c) and d) being 100 wt%; iii. comprises a polydiorganosiloxane block with an average block length of from 30 to 100; and iv. comprises a diorganosiloxane content from 15 wt% to 30 wt% based on the total weight of the second polysiloxane-polycarbonate being 100% c) a first polycarbonate polymer comprising bisphenol A residues; wherein the first polycarbonate polymer: i. has a weight average molecular weight from 17,500 to 19,500 as measured by GPC using BPA polycarbonate standards; and ii. is present in an amount greater than or equal to 5 wt% based on the total wt% of a), b), c) and d) being 100 wt%; and d) optionally a second or more polycarbonate polymer comprising bisphenol A residues with a weight average molecular weight from 20,500 to 32,000 as measured by GPC using BPA polycarbonate standards; wherein the wt% ratio of the first polycarbonate-polysiloxane polymer to the second polycarbonate-polysiloxane polymer is greater than or equal to 8; wherein the polycarbonate blend composition has a total diorganosiloxane content of from 2.5 wt% to 7.5 wt% based on the total wt% of a), b), c) and d) being 100 wt%; and wherein the polycarbonate blend composition has a melt volume rate from 14 cm 3 /10 min to 30 cm 3 /10 min when determined in accordance with ASTM D1238 at 300 °C under a load of 1.2 kg. a) a first polycarbonate-polysiloxane polymer; wherein the first polycarbonate-polysiloxane polymer: i. has a weight average molecular weight from 21,000 to 25,000 as measured by GPC using BPA polycarbonate standards; ii. comprises a polydiorganosiloxane block with an average block length of from 30 to 100; and iii. comprises a diorganosiloxane content from 4 wt% to 8 wt% based on the total weight of the first polysiloxane-polycarbonate being 100%; i. has a weight average molecular weight from 21,000 to 25,000 as measured by GPC using BPA polycarbonate standards; ii. comprises a polydiorganosiloxane block with an average block length of from 30 to 100; and iii. comprises a diorganosiloxane content from 4 wt% to 8 wt% based on the total weight of the first polysiloxane-polycarbonate being 100%; b) a second polycarbonate-polysiloxane polymer; wherein the second polycarbonate-polysiloxane polymer: i. has a weight average molecular weight from 28,000 to 32,000 as measured by GPC using BPA polycarbonate standards; ii. is present in an amount from 5 wt% to 10 wt% based on the total wt% of a), b), c) and d) being 100 wt%; iii. comprises a polydiorganosiloxane block with an average block length of from 30 to 100; and iv. comprises a diorganosiloxane content from 15 wt% to 30 wt% based on the total weight of the second polysiloxane-polycarbonate being 100% i. has a weight average molecular weight from 28,000 to 32,000 as measured by GPC using BPA polycarbonate standards; ii. is present in an amount from 5 wt% to 10 wt% based on the total wt% of a), b), c) and d) being 100 wt%; iii. comprises a polydiorganosiloxane block with an average block length of from 30 to 100; and iv. comprises a diorganosiloxane content from 15 wt% to 30 wt% based on the total weight of the second polysiloxane-polycarbonate being 100% c) a first polycarbonate polymer comprising bisphenol A residues; wherein the first polycarbonate polymer: i. has a weight average molecular weight from 17,500 to 19,500 as measured by GPC using BPA polycarbonate standards; and ii. is present in an amount greater than or equal to 5 wt% based on the total wt% of a), b), c) and d) being 100 wt%; and i. has a weight average molecular weight from 17,500 to 19,500 as measured by GPC using BPA polycarbonate standards; and ii. is present in an amount greater than or equal to 5 wt% based on the total wt% of a), b), c) and d) being 100 wt%; and d) optionally a second or more polycarbonate polymer comprising bisphenol A residues with a weight average molecular weight from 20,500 to 32,000 as measured by GPC using BPA polycarbonate standards; wherein the polycarbonate blend composition has a total diorganosiloxane content of from 2.5 wt% to 7.5 wt% based on the total wt% of a), b), c) and d) being 100 wt%; and wherein the polycarbonate blend composition has a melt volume rate from 14 cm 3 /10 min to 30 cm 3 /10 min when determined in accordance with ASTM D1238 at 300 °C under a load of 1.2 kg.