VEVOR Driveway Curb Ramp. High Visibility & Shock Absorption & Rolled Curb Ramp. This speed ramp is designed to control traffic speed and protect road cables while not causing damage to car or road. It adopts high quality rubber construction, with reflective yellow parts, 22,046 lbs. load capacity, and safe on use at night. Also have non-slide design at surface, it is a reliable, safe & high cost-effective product. Material: Rubber Load Capacity: 22,046 lbs. Reflective Strip: 4 Mounting Hole: 4. Note: Like all rubber made products, sometimes an out gassing odor may be present since these units are brand new. This odor will dissipate in time (few days to a few weeks). We recommend you air them outdoors before placing them indoors.