These RV leveling pads are designed to improve stability and help create a more level setup for your RV on uneven ground. Made from durable rubber, they are built to resist UV exposure, water, high temperatures, oil, tar, and soil for long-lasting use. The permanent attached design allows for quick setup without the need for complicated installation each time. They fit 9" round jack feet and are suitable for fifth wheels, travel trailers, and Class A and Class C motorhomes. This 4-pack provides dependable support with up to 5,000 lbs capacity per pad.