These Vevor RV leveling pads are designed to provide stable support for RV jacks, especially scissor jacks, on uneven or soft ground. Made of durable rubber, they offer tear-resistant, non-slip performance across surfaces like grass, sand, gravel, and snow. Each pad supports up to 5000 lbs to help reduce vibration and improve stability while parked. The large surface area helps protect the ground and minimize wear on the bottom of the jack. This 4-piece set is suited for fifth-wheel trailers, camping trailers, and Class A and Class C RVs.