For use under stabilizing legs of Class 'A' Motor Homes. Prevents damage caused by sinking. Each pad measures 15" x 17" x 1", weighs 6 pounds and is compression tested to hold 100,000 psi. Recommended for coaches with a GVW of more than 20,000 pounds. Easy to clean and store; will not absorb grease or liquids. Use perforated side up. 5-year manufacturer warranty.