AP Products 87825 Super Dolly Bus Pad, (Pack of 2) 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