Our MaxxHaul 50564 Curb Ramps are made from commercial-grade synthetic rubber with high traction and non-slip surface to prevent skidding and provide safety and reliability. It features a stable, grid structure and can support up to 20,000 lbs of weight allowing vehicles to be driven up safely on an uneven ground or curbside. The kit includes a pair of 4” high x 12.6” deep x 19.3” wide ramps that can be easily linked together for a longer ramp option for maximum support and stability. The ramps are designed to handle shock absorption and provide low-noise ramp for any vehicle. It has a built-in grip carry handle for maximum portability. The ramp is manufactured for wheelchairs, scooters, walkers, lifts, hand trucks, dollies, bikes, motorcycles, trailers, and other types of vehicles.