Biodegradable polymer composition containing a1) 2 to 50 wt.-%, based on the total weight of components a1) to e) of the polymer composition, of at least one poly(meso-lactide) having a number-average molecular weight of at least 20 000 g/mol, and a ratio of L-lactic units: D-lactic units of at least 20:80 up to 80:20; a2) 0 to 48 wt.-%, based on the total weight of components a1) to e), of at least one polylactide a2) having a ratio of L-lactic units: D-lactic units above 65:35 or below 35:65 and wherein the sum of poly(meso-lactide) a1) and polylactide a2) is at maximum 50 wt.-%, based on the total weight of components a1) to e); b) 20 to 98 wt.-%, based on the total weight of components a1) to e) of the polymer composition, of at least one biodegradable polyester selected from aliphatic polyesters, aliphatic-aromatic polyesters and copolymers and mixtures thereof; c) 0 to 55 wt.-%, based on the total weight of components a1) to e) of the polymer composition, of at least one starch polymer; d) 0 to 40 wt.-%, based on the total weight of components a1) to e) of the polymer composition, of at least one inorganic filler; and e) 0 to 5 wt%, based on the total weight of components a1) to e) of the polymer composition, of at least one compound selected from cross-linking agents, lubricants, chain extenders, stabilizers, nucleating agents, slip and release agents, surfactants, waxes, antistatic agents, antifoggants, dyes, pigments, UV absorbers, UV stabilizers and other plastics additives; wherein the number-average molecular weight of the poly(meso-lactide) and the ratio of L-lactic units: D-lactic units were determined as indicated in the description. a1) 2 to 50 wt.-%, based on the total weight of components a1) to e) of the polymer composition, of at least one poly(meso-lactide) having a number-average molecular weight of at least 20 000 g/mol, and a ratio of L-lactic units: D-lactic units of at least 20:80 up to 80:20; a2) 0 to 48 wt.-%, based on the total weight of components a1) to e), of at least one polylactide a2) having a ratio of L-lactic units: D-lactic units above 65:35 or below 35:65 and wherein the sum of poly(meso-lactide) a1) and polylactide a2) is at maximum 50 wt.-%, based on the total weight of components a1) to e); b) 20 to 98 wt.-%, based on the total weight of components a1) to e) of the polymer composition, of at least one biodegradable polyester selected from aliphatic polyesters, aliphatic-aromatic polyesters and copolymers and mixtures thereof; c) 0 to 55 wt.-%, based on the total weight of components a1) to e) of the polymer composition, of at least one starch polymer; d) 0 to 40 wt.-%, based on the total weight of components a1) to e) of the polymer composition, of at least one inorganic filler; and e) 0 to 5 wt%, based on the total weight of components a1) to e) of the polymer composition, of at least one compound selected from cross-linking agents, lubricants, chain extenders, stabilizers, nucleating agents, slip and release agents, surfactants, waxes, antistatic agents, antifoggants, dyes, pigments, UV absorbers, UV stabilizers and other plastics additives; wherein the number-average molecular weight of the poly(meso-lactide) and the ratio of L-lactic units: D-lactic units were determined as indicated in the description.