Threshold ramp is designed for helping heavy equipment climb steps with ease without causing damage to tires or other parts, such as the base of cars. They are made of rubber or plastic. Can add yellow/white or customized glassbead reflective tapes to make it more attractive. Threshold ramps are perfect for use at home, at work, or anywhere mobility. Great for power scooters, wheelchairs, walkers and foot traffic. Some design can add a handle to make it easy when carry. Buy threhold ramp, plastic kerb ramp, rubber curb ramp, wheelchair threshold ramp, step slow down ramp, portable threshold ramp at best factory price in Chengdu RongXiang Technology Co.,Ltd specilizing in manufacturing traffic safety equipments.