A biodegradable polymer composition for the production of molded articles comprising, with respect to the total composition: i) 5-70% by weight, with respect to the sum of components i.-v., of at least one polyester comprising: a. dicarboxylic component comprising, in relation to the total dicarboxylic component, 0-20% by moles, preferably 0-10% by moles, of units derived from at least one aromatic dicarboxylic acid 53-95% by moles of succinic acid units, 5-27% by moles of units derived from at least one saturated C5-C24 dicarboxylic acid b. a diol component comprising, compared to the total diol component: 95-100% by moles, preferably 97-100% by moles, of units derived from at least one saturated aliphatic diol; 0-5% by moles, preferably 0-3% by moles, of units derived from at least one unsaturated aliphatic diol; ii) 0-40 % by weight, with respect to the sum of components i.-v., of at least one polyester comprising: c. a dicarboxylic component having 100% by moles of succinic acid d. a diol component comprising, compared to the total diol component: 95-100% by moles, preferably 97-100% by moles, of units derived from at least one saturated aliphatic diol; 0-5% by moles, preferably 0-3% by moles, of units derived from at least one unsaturated aliphatic diol; iii) 23-43% by weight of the sum of components i.-v., of at least one polyhydroxyalkanoate; iv) 10-20% by weight, relative to the sum of components i.-v., of at least one filler. v) 0 - 0.5% by weight, relative to the sum of components i.-v., of at least one cross-linking agent and/or chain extender; wherein component iii. has a melting point ≥160°C and a (ΔHm) ≥10 J/g determined as indicated in the specification. i) 5-70% by weight, with respect to the sum of components i.-v., of at least one polyester comprising: a. dicarboxylic component comprising, in relation to the total dicarboxylic component, 0-20% by moles, preferably 0-10% by moles, of units derived from at least one aromatic dicarboxylic acid 53-95% by moles of succinic acid units, 5-27% by moles of units derived from at least one saturated C5-C24 dicarboxylic acid b. a diol component comprising, compared to the total diol component: 95-100% by moles, preferably 97-100% by moles, of units derived from at least one saturated aliphatic diol; 0-5% by moles, preferably 0-3% by moles, of units derived from at least one unsaturated aliphatic diol; a. dicarboxylic component comprising, in relation to the total dicarboxylic component, 0-20% by moles, preferably 0-10% by moles, of units derived from at least one aromatic dicarboxylic acid 53-95% by moles of succinic acid units, 5-27% by moles of units derived from at least one saturated C5-C24 dicarboxylic acid 0-20% by moles, preferably 0-10% by moles, of units derived from at least one aromatic dicarboxylic acid 53-95% by moles of succinic acid units, 5-27% by moles of units derived from at least one saturated C5-C24 dicarboxylic acid b. a diol component comprising, compared to the total diol component: 95-100% by moles, preferably 97-100% by moles, of units derived from at least one saturated aliphatic diol; 0-5% by moles, preferably 0-3% by moles, of units derived from at least one unsaturated aliphatic diol; 95-100% by moles, preferably 97-100% by moles, of units derived from at least one saturated aliphatic diol; 0-5% by moles, preferably 0-3% by moles, of units derived from at least one unsaturated aliphatic diol; ii) 0-40 % by weight, with respect to the sum of components i.-v., of at least one polyester comprising: c. a dicarboxylic component having 100% by moles of succinic acid d. a diol component comprising, compared to the total diol component: 95-100% by moles, preferably 97-100% by moles, of units derived from at least one saturated aliphatic diol; 0-5% by moles, preferably 0-3% by moles, of units derived from at least one unsaturated aliphatic diol; c. a dicarboxylic component having 100% by moles of succinic acid d. a diol component comprising, compared to the total diol component: 95-100% by moles, preferably 97-100% by moles, of units derived from at least one saturated aliphatic diol; 0-5% by moles, preferably 0-3% by moles, of units derived from at least one unsaturated aliphatic diol; 95-100% by moles, preferably 97-100% by moles, of units derived from at least one saturated aliphatic diol; 0-5% by moles, preferably 0-3% by moles, of units derived from at least one unsaturated aliphatic diol; iii) 23-43% by weight of the sum of components i.-v., of at least one polyhydroxyalkanoate; iv) 10-20% by weight, relative to the sum of components i.-v., of at least one filler. v) 0 - 0.5% by weight, relative to the sum of components i.-v., of at least one cross-linking agent and/or chain extender;