Our Cambridge Series is machine-woven in China of 100% heat-set polypropylene. This line features a current color palette in classic and transitional patterns providing a well-designed and durable rug at a very affordable price point. Our Cambridge Series is a fashion leader in its class. Cambridge 7301 Red/Black Kashan Area Rug 20" x 31". Machine-made of Heat-set Polypropylene with No Backing. Made in China. Vacuum regularly & spot clean stains. Professional cleaning recommended periodically.