Polymer composition containing a. at least one transparent thermoplastic plastic; b. at least one inorganic IR absorber from the group of the boride compounds, c. at least one inorganic, nano-scale pigment, d. at least one colouring agent selected from the group comprising the following structures: 1a, 1b: wherein - Ra and Rb independently of one another represent a linear or branched alkyl radical, or halogen; - n independently of the respective R represents a natural number from 0 to 3, the radical for n=0 being hydrogen; 2a, 2b: wherein - Rc and Rd independently of one another represent a linear or branched alkyl radical, or halogen; - n independently of the respective R represents a natural number from 0 to 3, the radical for n=0 being hydrogen; 3: wherein R is selected from the group consisting of H and p-methylphenylamine radical; e) and at least one colouring agent selected from the group comprising the following structures 4: wherein R3 is halogen; n=4;. 5: 6: 7: wherein - R1 and R2 independently of one another represent a linear or branched alkyl radical, or halogen; - n represents a natural number from 0 to 4; 8a, 8b: wherein - the radicals R each independently of the others are hydrogen, methyl, ethyl, propyl, isopropyl, butyl, isobutyl, tert-butyl, pentyl, neopentyl, hexyl, thexyl, fluorine, chlorine, bromine, sulfone or CN, and - M is selected from the group comprising aluminium, nickel, cobalt, iron, zinc, copper and manganese. a. at least one transparent thermoplastic plastic; b. at least one inorganic IR absorber from the group of the boride compounds, c. at least one inorganic, nano-scale pigment, d. at least one colouring agent selected from the group comprising the following structures: 1a, 1b: wherein - Ra and Rb independently of one another represent a linear or branched alkyl radical, or halogen; - n independently of the respective R represents a natural number from 0 to 3, the radical for n=0 being hydrogen; 2a, 2b: wherein - Rc and Rd independently of one another represent a linear or branched alkyl radical, or halogen; - n independently of the respective R represents a natural number from 0 to 3, the radical for n=0 being hydrogen; 3: wherein R is selected from the group consisting of H and p-methylphenylamine radical; 1a, 1b: wherein - Ra and Rb independently of one another represent a linear or branched alkyl radical, or halogen; - n independently of the respective R represents a natural number from 0 to 3, the radical for n=0 being hydrogen; - Ra and Rb independently of one another represent a linear or branched alkyl radical, or halogen; - n independently of the respective R represents a natural number from 0 to 3, the radical for n=0 being hydrogen; 2a, 2b: wherein - Rc and Rd independently of one another represent a linear or branched alkyl radical, or halogen; - n independently of the respective R represents a natural number from 0 to 3, the radical for n=0 being hydrogen; - Rc and Rd independently of one another represent a linear or branched alkyl radical, or halogen; - n independently of the respective R represents a natural number from 0 to 3, the radical for n=0 being hydrogen; 3: wherein R is selected from the group consisting of H and p-methylphenylamine radical; R is selected from the group consisting of H and p-methylphenylamine radical; e) and at least one colouring agent selected from the group comprising the following structures 4: wherein R3 is halogen; n=4;. 5: 6: 7: wherein - R1 and R2 independently of one another represent a linear or branched alkyl radical, or halogen; - n represents a natural number from 0 to 4; 8a, 8b: wherein - the radicals R each independently of the others are hydrogen, methyl, ethyl, propyl, isopropyl, butyl, isobutyl, tert-butyl, pentyl, neopentyl, hexyl, thexyl, fluorine, chlorine, bromine, sulfone or CN, and - M is selected from the group comprising aluminium, nickel, cobalt, iron, zinc, copper and manganese. 4: wherein R3 is halogen; n=4;. R3 is halogen; n=4;. 5: 6: 7: wherein - R1 and R2 independently of one another represent a linear or branched alkyl radical, or halogen; - n represents a natural number from 0 to 4; - R1 and R2 independently of one another represent a linear or branched alkyl radical, or halogen; - n represents a natural number from 0 to 4; 8a, 8b: wherein - the radicals R each independently of the others are hydrogen, methyl, ethyl, propyl, isopropyl, butyl, isobutyl, tert-butyl, pentyl, neopentyl, hexyl, thexyl, fluorine, chlorine, bromine, sulfone or CN, and - M is selected from the group comprising aluminium, nickel, cobalt, iron, zinc, copper and manganese. - the radicals R each independently of the others are hydrogen, methyl, ethyl, propyl, isopropyl, butyl, isobutyl, tert-butyl, pentyl, neopentyl, hexyl, thexyl, fluorine, chlorine, bromine, sulfone or CN, and - M is selected from the group comprising aluminium, nickel, cobalt, iron, zinc, copper and manganese.