Provided is a resin composition containing an aluminum pigment capable of exhibiting excellent weather-resisting property in case of having been incorporated with an aluminum pigment.
A resin composition containing an aluminum pigment which comprises 100 parts by weight of a polyolefin type resin incorporated with 0.5-10 parts by weight of an aluminum pigment, the aforesaid metallic composition having further been incorporated with 0.001-10 parts by weight of a hindered amine compound of the following general formula:

wherein R 1 stands for hydrogen atom, hydroxy group, alkyl group, hydroxyalkyl group, alkoxy group, hydoxyalkoxy group, or an oxy radical, R 2 stands for alkyl group or alkenyl group, and 0.001-10 parts by weight of a benzoate type compound of the following general formula:

wherein R 3 and R 4 each independently stands for hydrogen atom, alkyl group, or arylalkyl group, and R 5 stands for alkyl group.