1.Material: High Quality Aircraft-Grade Aluminum, Corrosion-Resistant and Durable 2.Package Includes: A set of running boards and installation fittings (brackets+screws+nuts). Inside bubble bag, outside neutral carton box outside. 3.Installation Instruction: Installation instructions are included with the product. It is recommended to find a professional for the installation. If you encounter any problems during installation, please contact us promptly. 4.Compatible Vehicles: Fits for Toyota Sienna XL40 2021 2022 2023 2024 5.Quality Guarantee: We check the product before shipment to ensure good quality. If you have any questions about our products or logistics, please feel free to contact us and we will solve your problems in time.