Features: -Used to help low cars, SUV, vans, mobility wheelchairs, motorcycles, bicycles, scooters and carts get over curbs or elevated sidewalks. -Made of industrial grade composite plastic and PP, it is wear-resistant, compression-resistant, strong and durable. -It is lightweight and small in size, so it is very easy to carry from one place to another. -The bottom has mounting holes for permanent installation with screws in busy areas. -It supports arbitrary splicing and can be infinitely extended in size, suitable for different usage scenarios. Specification: Colour: black Material: PP Size: 50*27*9cm Package Included: 1x Kerb ramp 2x Expansion screws .