A composition, which is a polyamide resin composition, comprising a polyamide resin A which has a melting point of ≥ 300°C as measured with a differential scanning calorimeter and contains - a dicarboxylic acid-derived component unit a1 containing, based on 100 mol% of the unit a1, 20-100 mol% of units derived from terephthalic acid, and 0-80 mol% of units derived from at least one of an aromatic dicarboxylic acid other than terephthalic acid and an aliphatic C 4-20 -dicarboxylic acid, and - a diamine-derived component unit a2 containing at least one of a unit derived from an aliphatic C 4-15 -diamine and a unit derived from alicyclic C 4-20 -diamine; a polyamide resin B having substantially no melting point as measured with a DSC; and a fibrous filler D, wherein the polyamide resin composition further comprises a light-transmitting pigment C which does not have a local maximum value of an absorption wavelength within the wavelength range of 800 to 1064 nm; wherein, based on A+B+C+D being 100 parts by mass, the amount of the polyamide resin A is 30 to 89.9 parts by mass, the amount of the polyamide resin B is 0 to 45 parts by mass, the amount of the light-transmitting pigment C is 0.1 to 5 parts by mass, and the amount of the fibrous filler D is 10 to 55 parts by mass, the corrected heat of fusion ΔH R obtained by dividing the heat of fusion ΔH of the composition measured with a DSC by the ratio of a total mass of components other than the filler D to the total mass of the composition is 10-70 J/g, and a molded body of the composition, at 940 nm and a thickness of 1.6 mm, has a laser light transmittance of ≥ 15%. a polyamide resin A which has a melting point of ≥ 300°C as measured with a differential scanning calorimeter and contains - a dicarboxylic acid-derived component unit a1 containing, based on 100 mol% of the unit a1, 20-100 mol% of units derived from terephthalic acid, and 0-80 mol% of units derived from at least one of an aromatic dicarboxylic acid other than terephthalic acid and an aliphatic C 4-20 -dicarboxylic acid, and - a diamine-derived component unit a2 containing at least one of a unit derived from an aliphatic C 4-15 -diamine and a unit derived from alicyclic C 4-20 -diamine; - a dicarboxylic acid-derived component unit a1 containing, based on 100 mol% of the unit a1, 20-100 mol% of units derived from terephthalic acid, and 0-80 mol% of units derived from at least one of an aromatic dicarboxylic acid other than terephthalic acid and an aliphatic C 4-20 -dicarboxylic acid, and - a diamine-derived component unit a2 containing at least one of a unit derived from an aliphatic C 4-15 -diamine and a unit derived from alicyclic C 4-20 -diamine; a polyamide resin B having substantially no melting point as measured with a DSC; and a fibrous filler D, wherein the polyamide resin composition further comprises a light-transmitting pigment C which does not have a local maximum value of an absorption wavelength within the wavelength range of 800 to 1064 nm; wherein, based on A+B+C+D being 100 parts by mass, the amount of the polyamide resin A is 30 to 89.9 parts by mass, the amount of the polyamide resin B is 0 to 45 parts by mass, the amount of the light-transmitting pigment C is 0.1 to 5 parts by mass, and the amount of the fibrous filler D is 10 to 55 parts by mass, the corrected heat of fusion ΔH R obtained by dividing the heat of fusion ΔH of the composition measured with a DSC by the ratio of a total mass of components other than the filler D to the total mass of the composition is 10-70 J/g, and a molded body of the composition, at 940 nm and a thickness of 1.6 mm, has a laser light transmittance of ≥ 15%.