【Heavy-Duty All-Weather Parking Block】Made from premium recycled rubber with up to 55,000 lb load capacity, this wheel stop is stronger and safer than concrete or plastic; it won’t crack or crumble and is resistant to UV rays, rain, snow, ice, oil, gas and extreme hot or cold outdoor climates. 【High-Visibility Reflective & Anti-Slip Design】10 bright yellow reflective stripes and a unique diagonal anti-slip surface make this garage parking stop easy to see day and night, improving driver awareness and pedestrian safety in dark garages, indoor parking garages, shopping centers and loading docks.