Polypropylene construction. Absorbs and holds water. Raised texture scrapes off mud. Rubber backing for traction. Cleans easily with any garden hose. Our hardest-working WATER & DIRT SHIELD ™ Mats take on the messy side of every season, absorbing over a gallon of water per square yard. Available in elegant designs, these mats trap water and stop dirt as effectively as ever. . . . . . A Frontgate exclusive. Made in the USA.