Shop Nilight Rubber Speed Bump, 39.3Inch Heavy Duty 2 Channel Cable Protector Speed Humps for Garage Gravel Roads Asphalt Concrete, 19000 lbs Load Capacity, 2-Pack in high quality, support 2 year warranty. Constructed of industrial grade rubber with UV and weather resistance, the honeycomb dot design boosts pressure and friction resistance for a longer lifespan. Load capacity up to 19,000 lbs.