Made of Material & Size Closed Cell, Black, Polyethylene Foam 2 pounds per square inch, Cut to size 36 7/8 inches X 14 7/8 inches X 1 inch Use of Product Famous Wood Red Wagon Model 29. Add Comfort to your Wagon, Lightweight, Shock Absorption, Impervious to mildew, mold, rot, and bacteria. Nontoxic and contains no CFCs, HCFCs, or hydrocarbon blowing agents. Cleans up Easy with Mild Soapy Water, Rinse with Garden Hose. Not Included with Purchase The wagon.