Feature:These rivet fasteners are made of plastic material, suitable for car use.Car's good accessory, commonly used for fitting side skirts, bumpers and other trim.These clips are suitable for firmly holding anything within a fit diameter hole.They can be used on buses, trains, planes, truck, caravans and cars.100% Brand New and High QualityMaterial: PlasticColor: BlackHole Size: Approx.8mm/0.3inchesHead Diameter(max.):Approx.20mm/0.79inchesPackage includes: 50 x Plastic RivetsNote:1. Because of the size measurements are handmade, so there may be 0.1-0.5inch error2. Please understand because of the light irradiation or computer display difference, so I can't guarantee photos and real color is 100% the same.