1. Material: ABS 2. Backside: With clips, easy to install and not easy to fall down 3. Color: glossy black, matte black 4. Shipping: DHL, UPS, Airplane, Sea, etc. 5. Mold: Injecting 6. Extremely durable surface 7. Waterproof, high temperature resistant 8. Warranty: Usually for 3-5 years based on plating grade 9. Package: 2PC per Pair in one box 10. Eco-friendly, High-quality with Nice price