Nilight Rubber Curb Ramps, 4.7″ Rise Height Heavy Duty Rubber Threshold Ramp, Portable Driveway Ramps for Cars Wheelchairs Scooter Lawn Mower, 7000lbs Load Capacity, 2 Pack. Constructed with industrial rubber, weight load capacity of car ramps up to 7000 lbs. This durable material is made to withstand long-term use in all weather conditions.