The invention relates to an item produced by means of injection molding, containing: i) 50 to 85 wt%, with respect to the total weight of components i to ii, of a biodegradable polyester having an MVR (190 DEG C, 2.16 kg) according to ISO 1133 of 10 to 100 cm3/10 min, containing: a) 90 to 99.5 mol%, with respect to components a to b, of succinic acid; b) 0.5 to 10 mol%, with respect to components a to b, of one or more C8-C20 dicarboxylic acids; c) 98 to 102 mol%, with respect to components a to b, of 1,3-propanediol or 1,4-butanediol; d) 0 to 0.1 wt%, with respect to components a to c, of a chain extender or branching agent; ii) 5 to 50 wt%, with respect to the total weight of components i to ii, of polylactic acid; iii) 10 to 50 wt%, with respect to the total weight of components i to iv, of one or more mineral fillers, wherein at least one filler is chalk; iv) 0 to 2 wt%, with respect to the total weight of components i to iv, of a nutrient salt mixture containing at least two components selected from the group comprising: a cation or anion containing nitrogen, an anion containing sulfur, an anion containing phosphorous, and a cation selected from the group comprising K+, Na+, Ca2+, Mg2+, and Fe2/3+. The invention further relates to methods for producing the aforementioned items.