Polyamide resin composition for zippers, zipper component and with such-provided zipper

there is provided a polyamide resin composition which is suitable as a material for the zipper parts having high strength after dyeing. A polyamide resin composition for a slide fastener, comprising a polyamide resin and reinforcing fibers, wherein a total mass of the polyamide resin and the reinforcing fibers accounting for 90 mass% or more of the composition; wherein a proportion of aromatic polyamides having a melting point of between 200 and 250 ° C in the polyamide resin is more than 70% by mass; and wherein a content of reinforcing fibers in the total mass of the polyamide resin and the reinforcing fibers in the range of 45 to 70 mass%.