Size: 9 EU:40 New with tags Square-toe mules in faux straw with covered block heels. Jersey lining. Heel height 3 1/4 in. Heel Height: High heel Footwear Type: Mules Description: Beige, Solid-color Composition Sole: Thermoplastic rubber 100% Upper: Polyester 100% Lining: Polyester 100% Materials in this product explained Polyester Polyester is a synthetic fiber made from crude oil (a fossil resource). Thermoplastic rubber Thermoplastic rubber (TPR) is a synthetic rubber made from a type of polymer (a fossil resource). It has the characteristics of both rubber and plastic.