Nilight Rubber Curb Ramps, 5″ Rise Height Heavy Duty Rubber Threshold Ramp, Portable Driveway Ramps for Cars Wheelchairs Scooter Lawn Mower, 7000lbs Load Capacity, 2 Pack. The rubber curb ramp features a textured pattern on the surface that increases friction and reduces the risk of slips and falls, even in wet weather.