Rubber Threshold RampsRubber threshold ramps are perfect for use on 3 4, 1", 2", or 3" raised door thresholds. The ramp will provide a sturdy incline that will make it easy to cross over doorways, landings, or curbs. It is made of a durable and lightweight rubber material that can handle heavy foot traffic. Its skid resistant surface ensures that wheels or feet dont slip on it, making it a safe and reliable option for any doorway or threshold.