The Hyper Tough 6.5" Jack Pad is a must have for car, trailer and RV owners. Made and manufactured from 100% recycled tires, this rugged device fits under a car jack, trailer or RV leveling or stabilizing jack. For use on unstable ground or surfaces that need protection. Stackable. Excellent vibration dampener. Able to withstand weather, with strong UV resistance, the Jack Pad can be used on a variety of surfaces without risk of damage to itself or the surface. It even floats in water. Good for 10,000 lbs. loads.