These rivet fasteners are made of plastic material, suitable for car use. A good accessory for cars, commonly used for fitting side skirts, bumpers, and other trim. These clips are suitable for firmly holding items in a fit diameter hole. They can be used on buses, trains, planes, trucks, and cars. Type: Rivets Material: Plastic Color: Black Quantity: 30 Pcs Applications: Defender, Door, Weatherstrip, etc. Fit Hole Diameter: 0.9cm / 0.35" (Approx.) Size (L x D): 3.9cm x 1.8cm / 1.54" x 0.71" (Approx.) Stem Length: 2.8cm / 1.10" (Approx.) Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 30 x Plastic Rivets